1512. Butamben

Nomenclature

CAS number: 94-25-7
4-Aminobenzoic acid butyl ester; butyl aminobenzoate; n-butyl p-aminobenzoate; Butesin (Abbott); Butoform; Planoform; Scuroforme.
C11H15NO2; mol wt 193.24.
C 68.37%, H 7.82%, N 7.25%, O 16.56%.

Description and 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).

Chemical structure

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.

Therapeutic Category

Anesthetic (local).

Therapeutic Category (Veterinary)

Anesthetic (local).

Keywords

Anesthetic (Local)