{"id":48886,"date":"2024-05-17T15:09:09","date_gmt":"2024-05-17T07:09:09","guid":{"rendered":"http:\/\/www.newtopchem.com\/archives\/48886"},"modified":"2024-05-17T15:09:09","modified_gmt":"2024-05-17T07:09:09","slug":"2-amino-46-dichloropyrimidine","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/48886","title":{"rendered":"2-amino-4,6-dichloropyrimidine","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-48885\" src=\"http:\/\/www.newtopchem.com\/wp-content\/uploads\/2024\/05\/513b8dba098246728b7c3da98769f0cb.gif\" width=\"126\" height=\"227\" alt=\"2-amino-4,6-dichloropyrimidine structural formula\" \/><\/p>\n<p>Structural formula<\/p>\n<table class=\"summary-table table table-striped table-bordered\">\n<col width=\"90\" \/>\n<tbody>\n<tr>\n<th scope=\"row\">Business number<\/th>\n<td>0174<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular formula<\/th>\n<td>C4H3Cl2N3<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Molecular weight<\/th>\n<td>164<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">label<\/th>\n<td>\n<p>                         2-amino-4,6-dichloropyrimidine<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul class=\"nav nav-tabs\">\n<li class=\"active\"><a href=\"#bh\">Numbering system<\/a><\/li>\n<li><a href=\"#wx\">Physical property data<\/a><\/li>\n<li><a href=\"#dl\">Toxicological data<\/a><\/li>\n<li><a href=\"#st\">Ecological data<\/a><\/li>\n<li><a href=\"#fz\">Molecular structure data<\/a><\/li>\n<li><a href=\"#js\">Computing chemical data<\/a><\/li>\n<li class=\"dropdown pull-right\">\n                     <a href=\"\" class=\"dropdown-toggle\">More <span class=\"caret\"><\/span><\/a><\/p>\n<ul class=\"dropdown-menu\" role=\"menu\">\n<li><a href=\"#xz\">Properties and Stability<\/a><\/li>\n<li><a href=\"#zc\">Storage method<\/a><\/li>\n<li><a href=\"#hc\">Synthesis method<\/a><\/li>\n<li><a href=\"#yt\">Purpose<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"bh\">Numbering system<\/h2>\n<p><b>CAS number:<\/b>56-05-3<\/p>\n<p><b>MDL number:<\/b>MFCD00006090<\/p>\n<p><b>EINECS number:<\/b>200-253-9<\/p>\n<p><b>RTECS number:<\/b>UV6260485<\/p>\n<p><b>BRN number:<\/b>118454<\/p>\n<p><b>PubChem number:<\/b>24846101<\/p>\n<h2 id=\"wx\">Physical property data<\/h2>\n<p><p>1. Properties: white crystal, industrial product is light yellow solid.  <\/p>\n<p>2. Density (g\/mL, 25\/4\u2103): Undetermined<\/p>\n<p>3. Relative vapor density (g\/mL, air=1): Undetermined<\/p>\n<p>4. Melting point (\u00baC): 223~225<\/p>\n<p>5. Boiling point (\u00baC, normal pressure): Undetermined<\/p>\n<p>6. Boiling point (\u00baC, 5.2kPa):  Undetermined<\/p>\n<p>7. Refractive index: Undetermined<\/p>\n<p>8. Flash point (\u00baC): Undetermined<\/p>\n<p>9. Specific rotation (\u00ba): Undetermined  Determined<\/p>\n<p>10. Autoignition point or ignition temperature (\u00baC): Not determined<\/p>\n<p>11. Vapor pressure (kPa, 25\u00baC): Not determined<\/p>\n<p>12.  Saturated vapor pressure (kPa, 60\u00baC): Undetermined<\/p>\n<p>13. Heat of combustion (KJ\/mol): Undetermined<\/p>\n<p>14. Critical temperature (\u00baC): Undetermined<\/p>\n<p>15. Critical pressure (KPa): Undetermined<\/p>\n<p>16. Log value of oil-water (octanol\/water) partition coefficient: Undetermined<\/p>\n<p>17. Explosion upper limit (  %, V\/V): Undetermined<\/p>\n<p>18. Lower explosion limit (%, V\/V): Undetermined<\/p>\n<p>19. Solubility: Insoluble in water, soluble in acetone,  Dichloroethane and hot toluene.  <\/p>\n<\/p>\n<h2 id=\"dl\">Toxicological data<\/h2>\n<p>\n     1. Acute toxicity: Rat oral LDLo: 1500mg\/kg\n     <\/p>\n<h2 id=\"st\">Ecological data<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"fz\">Molecular structure data<\/h2>\n<p><p>1. Molar refractive index: 36.46<\/p>\n<p>2. Molar volume (cm<sup>3<\/sup>\/mol): 102.0<\/p>\n<p>3. Isotonic specific volume (90.2K  ): 293.1<\/p>\n<p>4. Surface tension (dyne\/cm): 68.0<\/p>\n<p>5. Polarizability (10<sup>-24<\/sup>cm<sup>3<\/sup>): 14.45<\/p>\n<\/p>\n<h2 id=\"js\">Compute chemical data<\/h2>\n<p><p>1. Hydrophobic parameter calculation reference value (XlogP): 1.8<\/p>\n<p>2. Number of hydrogen bond donors: 1<\/p>\n<p>3. Number of hydrogen bond acceptors: 3<\/p>\n<p>4. Number of rotatable chemical bonds: 0<\/p>\n<p>5. Number of tautomers: 2<\/p>\n<p>6. Topological molecular polar surface area (TPSA): 51.8<\/p>\n<p>7. Number of heavy atoms: 9<\/p>\n<p>8. Surface charge: 0<\/p>\n<p>9. Complexity: 89.8<\/p>\n<p>10. Number of isotope atoms  :0<\/p>\n<p>11. Determine the number of atomic stereocenters: 0<\/p>\n<p>12. Uncertain number of atomic stereocenters: 0<\/p>\n<p>13. Determine the number of chemical bond stereocenters  Number: 0<\/p>\n<p>14. Number of uncertain chemical bond stereocenters: 0<\/p>\n<p>15. Number of covalent bond units: 1<\/p>\n<\/p>\n<h2 id=\"xz\">Properties and stability<\/h2>\n<p>\n     None\n     <\/p>\n<h2 id=\"zc\">Storage method<\/h2>\n<p><p>This product should be kept sealed.  <\/p>\n<\/p>\n<h2 id=\"hc\">Synthesis method<\/h2>\n<p>\n     Add 2-amino-4,6-dihydroxypyrimidine, phosphorus oxychloride and dichloroethane to the reaction kettle. After heating to 80\u00baC, add the triethylamine and dichloroethane solution dropwise to the reaction solution. The dropping time  For more than 1 hour, reflux the mixture at 80~84\u00baC for 2 hours, add water to dissolve, filter, wash and dry to obtain the finished product.\n     <\/p>\n<h2 id=\"yt\">Purpose<\/h2>\n<p><p>Mainly used for the preparation of intermediates of 2-amino-4,6-dimethoxypyrimidine and 2-amino-4-methoxy-6-chloro-pyrimidine.  <\/p>\n<\/p>\n<p>     extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/44704\">https:\/\/www.newtopchem.com\/archives\/44704<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/N-cyclohexyl-N-methylcyclohexylamine-CAS-7560-83-0-N-methyldicyclohexylamine.pdf\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/N-cyclohexyl-N-methylcyclohexylamine-CAS-7560-83-0-N-methyldicyclohexylamine.pdf<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/Polyurethane-Catalyst-A33-CAS280-57-9-foaming-catalyst.pdf\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/Polyurethane-Catalyst-A33-CAS280-57-9-foaming-catalyst.pdf<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/1025\">https:\/\/www.newtopchem.com\/archives\/1025<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/1824\">https:\/\/www.newtopchem.com\/archives\/1824<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/Dibutyltin-acetate-CAS1067-33-0-tributyltin-oxide.pdf\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/Dibutyltin-acetate-CAS1067-33-0-tributyltin-oxide.pdf<\/a><\/br>extended-reading:<a href=\"https:\/\/www.morpholine.org\/n-dimethylaminopropyldiisopropanolamine\/\">https:\/\/www.morpholine.org\/n-dimethylaminopropyldiisopropanolamine\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/fomrez-ul-22-catalyst-momentive\/\">https:\/\/www.bdmaee.net\/fomrez-ul-22-catalyst-momentive\/<\/a><\/br>extended-reading:<a href=\"https:\/\/www.newtopchem.com\/archives\/1059\">https:\/\/www.newtopchem.com\/archives\/1059<\/a><\/br>extended-reading:<a href=\"https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/134-6.jpg\">https:\/\/www.bdmaee.net\/wp-content\/uploads\/2022\/08\/134-6.jpg<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Structural formula Business number 0174 Molecular formu&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":48885,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[6005,2441],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48886"}],"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=48886"}],"version-history":[{"count":0,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/48886\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media\/48885"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=48886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=48886"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=48886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}