| Title:  Butamben CAS Registry Number:  94-25-7 CAS Name:  4-Aminobenzoic acid butyl ester Additional Names:  butyl aminobenzoate;  n-butyl p-aminobenzoate Trademarks:  Butesin (Abbott);  Butoform;  Planoform;  Scuroforme Molecular Formula:  C11H15NO2 Molecular Weight:  193.24 Percent Composition:  C 68.37%, H 7.82%, N 7.25%, O 16.56% Literature References:  Prepn:  Brill, J. Am. Chem. Soc. 43, 1322 (1921); Adams, Volwiler, US 1440652 (1923 to Abbott); GB 252870; C.A. 17, 1243 (1923); C.A. 21, 2478 (1927). Properties:  Crystals from alc, mp 57-59°.  bp8 174°.  One gram dissolves in about 7 liters of water.  Sol in dil acids, alcohol, chloroform, ether, and fatty oils.  It is hydrolyzed slowly when boiled with water. Melting point:  mp 57-59° Boiling point:  bp8 174° Therap-Cat:  Anesthetic (local). Therap-Cat-Vet:  Anesthetic (local). Keywords:  Anesthetic (Local).  |