<\/p>\n
Structural formula<\/p>\n
2-Methylpropionate,<\/p>\n
Ethyl 2-methyl propane,<\/p>\n
(CH3)2CHCOOCH2CH3,<\/p>\n
spices<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
CAS number:<\/b>97-62-1<\/p>\n
MDL number:<\/b>MFCD00009165<\/p>\n
EINECS number:<\/b>202-595-4<\/p>\n
RTECS number:<\/b>NQ4675000<\/p>\n
BRN number:<\/b>773846<\/p>\n
PubChem number:<\/b>24881085<\/p>\nPhysical property data<\/h2>\n
1. Properties: Colorless and volatile liquid with fruity aroma. [1]<\/sup><\/p>\n2. Melting point (\u2103): -88[2]<\/sup><\/p>\n3. Boiling point (\u2103): 110.1[3]<\/sup><\/p>\n4. Relative density (water = 1): 0.87[4]<\/sup><\/p>\n5. Relative vapor Density (air=1): 4.01[5]<\/sup><\/p>\n6. Saturated vapor pressure (kPa): 5.33 (33.8\u2103)[6]<\/sup><\/p>\n7. Heat of combustion (kJ\/mol): -3535.0[7]<\/sup><\/p>\n8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
2. Melting point (\u2103): -88[2]<\/sup><\/p>\n3. Boiling point (\u2103): 110.1[3]<\/sup><\/p>\n4. Relative density (water = 1): 0.87[4]<\/sup><\/p>\n5. Relative vapor Density (air=1): 4.01[5]<\/sup><\/p>\n6. Saturated vapor pressure (kPa): 5.33 (33.8\u2103)[6]<\/sup><\/p>\n7. Heat of combustion (kJ\/mol): -3535.0[7]<\/sup><\/p>\n8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
3. Boiling point (\u2103): 110.1[3]<\/sup><\/p>\n4. Relative density (water = 1): 0.87[4]<\/sup><\/p>\n5. Relative vapor Density (air=1): 4.01[5]<\/sup><\/p>\n6. Saturated vapor pressure (kPa): 5.33 (33.8\u2103)[6]<\/sup><\/p>\n7. Heat of combustion (kJ\/mol): -3535.0[7]<\/sup><\/p>\n8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
4. Relative density (water = 1): 0.87[4]<\/sup><\/p>\n5. Relative vapor Density (air=1): 4.01[5]<\/sup><\/p>\n6. Saturated vapor pressure (kPa): 5.33 (33.8\u2103)[6]<\/sup><\/p>\n7. Heat of combustion (kJ\/mol): -3535.0[7]<\/sup><\/p>\n8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
5. Relative vapor Density (air=1): 4.01[5]<\/sup><\/p>\n6. Saturated vapor pressure (kPa): 5.33 (33.8\u2103)[6]<\/sup><\/p>\n7. Heat of combustion (kJ\/mol): -3535.0[7]<\/sup><\/p>\n8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
6. Saturated vapor pressure (kPa): 5.33 (33.8\u2103)[6]<\/sup><\/p>\n7. Heat of combustion (kJ\/mol): -3535.0[7]<\/sup><\/p>\n8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
7. Heat of combustion (kJ\/mol): -3535.0[7]<\/sup><\/p>\n8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
8. Critical temperature (\u2103): 280[8] <\/sup><\/p>\n9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
9. Critical pressure (MPa): 3.04[9]<\/sup><\/p>\n10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
10. Octanol\/water partition coefficient: 1.77 [10]<\/sup><\/p>\n11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
11. Flash point (\u2103): 13[11]<\/sup><\/p>\n12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
12. Solubility: slightly soluble in water, Soluble in ethanol, ether, etc. [12]<\/sup><\/p>\n13. Refractive index (n20\u00baC): 1.3869<\/p>\n14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
13. Refractive index (n20\u00baC): 1.3869<\/p>\n
14. Solubility parameter (J\u00b7cm-3<\/sup>)0.5<\/sup>: 16.504<\/p>\n15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
15. Critical density (g\u00b7cm-3<\/sup>): 0.28<\/p>\n16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
16. Critical volume (cm3<\/sup>\u00b7mol-1<\/sup>): 415<\/p>\n17. Critical compression factor: 0.279<\/p>\n18. Eccentricity factor: 0.426<\/p>\n19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
17. Critical compression factor: 0.279<\/p>\n
18. Eccentricity factor: 0.426<\/p>\n
19.van der Waals Volume (cm3<\/sup>\u00b7mol-1<\/sup>): 73.200<\/p>\n20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
20.van der Waals Area (cm2<\/sup>\u00b7mol-1<\/sup>): 1.050\u00d71010<\/sup><\/p>\n21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
21. Liquid phase standard hot melt ( J\u00b7mol-1<\/sup>\u00b7K-1<\/sup>)\uff1a209.8<\/p>\n<\/p>\nToxicological data<\/h2>\n1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
1. Acute toxicity[13]<\/sup> <\/strong>LD50: 800mg\/kg (mouse vein); 800mg\/kg (mouse abdominal cavity)<\/strong> <\/p>\n2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
2. Irritation [14]<\/sup> <\/strong>Rabbit transdermal: 500mg (24h), moderate irritation. <\/strong><\/p>\n<\/p>\nEcological data<\/h2>\n1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
1. Ecotoxicity<\/strong> No data available<\/p>\n2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
2. Biodegradability<\/strong> No data available<\/p>\n3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
3 .Non-biodegradability<\/strong> No data yet<\/p>\n4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
4. Other harmful effects[15]<\/sup><\/strong> This substance may be harmful to the environment and is harmful to the environment. Bodies of water should be given special attention. <\/p>\n<\/p>\nMolecular structure data<\/h2>\n1. Molar refractive index: 31.57<\/p>\n2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
1. Molar refractive index: 31.57<\/p>\n
2. Molar volume (cm3<\/sup>\/mol): 131.4<\/p>\n3. Isotonic specific volume (90.2K ): 292.9<\/p>\n4. Surface tension (dyne\/cm): 24.6<\/p>\n5. Dielectric constant:<\/p>\n6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
3. Isotonic specific volume (90.2K ): 292.9<\/p>\n
4. Surface tension (dyne\/cm): 24.6<\/p>\n
5. Dielectric constant:<\/p>\n
6. Dipole moment (10-24<\/sup>cm3<\/sup>):<\/p>\n7. Polarizability: 12.51<\/p>\n<\/p>\nCompute chemical data<\/h2>\n1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n2. Number of hydrogen bond donors: 0<\/p>\n3. Number of hydrogen bond acceptors: 2<\/p>\n4. Yes Number of rotational chemical bonds: 3<\/p>\n5. Number of tautomers: None<\/p>\n6. Topological molecule polar surface area 26.3<\/p>\n7. Number of heavy atoms: 8<\/p>\n8. Surface charge: 0<\/p>\n9. Complexity: 76.6<\/p>\n10. Number of isotope atoms: 0<\/p>\n11. Determine the number of atomic stereocenters: 0<\/p>\n12. Uncertain number of atomic stereocenters: 0<\/p>\n13. Determine the number of chemical bond stereocenters: 0<\/p>\n 14. Number of uncertain chemical bond stereocenters: 0<\/p>\n15. Number of covalent bond units: 1<\/p>\n<\/p>\nProperties and stability<\/h2>\n1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
7. Polarizability: 12.51<\/p>\n<\/p>\n
1. Hydrophobic parameter calculation parameters\ufffd\ufffd value (XlogP): 1.5<\/P><\/p>\n
2. Number of hydrogen bond donors: 0<\/p>\n
3. Number of hydrogen bond acceptors: 2<\/p>\n
4. Yes Number of rotational chemical bonds: 3<\/p>\n
5. Number of tautomers: None<\/p>\n
6. Topological molecule polar surface area 26.3<\/p>\n
7. Number of heavy atoms: 8<\/p>\n
8. Surface charge: 0<\/p>\n
9. Complexity: 76.6<\/p>\n
10. Number of isotope atoms: 0<\/p>\n
11. Determine the number of atomic stereocenters: 0<\/p>\n
12. Uncertain number of atomic stereocenters: 0<\/p>\n
13. Determine the number of chemical bond stereocenters: 0<\/p>\n
14. Number of uncertain chemical bond stereocenters: 0<\/p>\n
15. Number of covalent bond units: 1<\/p>\n<\/p>\n
1. Stability[16]<\/sup><\/strong> Stable<\/p>\n2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
2. Incompatible substances[17]<\/sup> <\/strong> Strong oxidants, strong bases, strong acids<\/p>\n3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
3. Polymerization hazard[18]<\/sup><\/strong> No polymerization<\/p>\n<\/p>\nStorage method<\/h2>\nStorage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Storage Precautions[19]<\/sup> <\/sup><\/strong>Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37\u2103. Keep container tightly sealed. They should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials. <\/sup><\/strong><\/p>\n<\/p>\nSynthesis method<\/h2>\n1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\nPurpose<\/h2>\nUsed in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
1. Obtained from the esterification of isobutyric acid and absolute ethanol. After mixing isobutyric acid and absolute ethanol, carefully add concentrated sulfuric acid, heat to reflux for 14 hours, wash with water, saturated sodium bicarbonate solution, and water in sequence, dry over anhydrous magnesium sulfate, distill, and collect 109-111\u00b0C Fraction, 2-methylpropionic acid ethyl ester was obtained with a yield of 69%. <\/p>\n
2. It is obtained by heating esterification of isobutyric acid and ethanol under azeotropic conditions and then distilling it. <\/p>\n<\/p>\n
Used in organic synthesis, essence extraction, etc. [20]<\/sup><\/p>\n<\/p>\n extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/-33-LX–33-LX-catalyst-tertiary-amine-catalyst-33-LX.pdf<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/fomrez-ul-28-catalyst-dimethyltin-dioctadecanoate-momentive-2\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/927<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/44551<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/stannous-octoate-CAS-301-10-0–T-9.pdf<\/a><\/br>extended-reading:https:\/\/www.morpholine.org\/teda-l33b-dabco-polycat-gel-catalyst\/<\/a><\/br>extended-reading:https:\/\/www.cyclohexylamine.net\/polyurethane-monosodium-glutamate-self-skinning-pinhole-elimination-agent\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/39408<\/a><\/br>extended-reading:https:\/\/www.bdmaee.net\/catalyst-pt303\/<\/a><\/br>extended-reading:https:\/\/www.newtopchem.com\/archives\/1850<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Structural formula Business number 02CF Molecular formu…<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":49328,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[15444],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=49329"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/49329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/49328"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=49329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=49329"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=49329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"Ethyl](\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/05\/f4b499e778c544859a8d8321ef758923.gif\")
<\/p>\n<\/p>\n