{"id":44024,"date":"2023-11-07T10:19:02","date_gmt":"2023-11-07T02:19:02","guid":{"rendered":"https:\/\/www.newtopchem.com\/?p=44024"},"modified":"2024-03-06T17:26:15","modified_gmt":"2024-03-06T09:26:15","slug":"nnnnn-pentamethyldiethylenetriamine-pmdeta","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/44024","title":{"rendered":"N,N,N’,N”,N”-Pentamethyldiethylenetriamine\/PMDETA","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N,N,N’,N”,N”-Pentamethyldiethylenetriamine\/PMDETA<\/a><\/h4>\n

Overview:<\/h4>\n

Pentamethyldiethylenetriamine is a chemical substance with the molecular formula C9H23N3. It is a highly efficient catalyst for polyurethane soft foams and is used in the formulation of soft foam products, and can also be used as an auxiliary catalyst for hard foams to improve the fluidity of PU foams for large-capacity refrigerators.<\/h4>\n

Chinese name N,N,N,N,N-Pentamethyldiethylenetriamine<\/h4>\n

English name N,N,N’,N”,N”-Pentamethyldiethylenetriamine<\/h4>\n

Synonyms 1,1,4,7,7-Pentamethyldiethylenetriamine, Pentamethyldiethylenetriamine, CAS 3030-47-5, Polycat 5, Niax C-5, Jeffcat PMDETA, Lupragen N301, Tegoamin PMDETA, PC CAT PMDETA, Addocat PV, Toyocat DT, Polycat 5 Catalyst, Hard Foam Catalyst PC5<\/h4>\n

Chemical formula C9H23N3<\/h4>\n

Molecular weight 173.3<\/h4>\n

CAS No. 3030-47-5<\/h4>\n

Melting point -20\u2103<\/h4>\n

Boiling point 198\u2103<\/h4>\n

Water solubility Soluble in water, ether and alcohol solvents.<\/h4>\n

Appearance Colorless or yellowish transparent liquid<\/h4>\n

Flash Point 53\u2103<\/h4>\n

MDL No.: MFCD00014876<\/h4>\n

Refractive index: 1.442(lit.)<\/h4>\n

\"\"<\/h4>\n

Physical properties of pentamethyldiethylenetriamine:<\/h4>\n

English name: N,N,N’,N”,N”-Pentamethyldiethylenetriamine<\/h4>\n

Molecular formula: C9H23N3<\/h4>\n

Molecular weight: 173.3<\/h4>\n

Physical and Chemical Properties<\/h4>\n

Pentamethyldiethylenetriamine is colorless to light yellow clear liquid, easily soluble in water.<\/h4>\n

Purity: 98.0%.<\/h4>\n

Viscosity (25\u2103): 2mPa.s<\/h4>\n

Relative density (20\u2103): 0.8302-0.8306<\/h4>\n

Flash point (closed loop): about 72\u00b0C<\/h4>\n

Flash point (PMCC): 83.3\u00b0C<\/h4>\n

Boiling range: 196-201\u2103 or 70-80\u2103(1100Pa)<\/h4>\n

Vapor pressure (21\u2103): 0.29*133pa<\/h4>\n

Freezing point: <-20\u2103<\/h4>\n

Preparation method<\/h4>\n

Pentamethyldivinyltriamine is generally obtained by N-methylation of diethylenetriamine as raw material, and the methylation methods include formic acid\/formaldehyde method and formaldehyde hydrogenation method.<\/h4>\n