5133. Isobutyl p-Aminobenzoate

Nomenclature

CAS number: 94-14-4
4-Aminobenzoic acid 2-methylpropyl ester; Cycloform; Isobutyl Kelo-form; Isocaine (Columbus).
C11H15NO2; mol wt 193.24.
C 68.37%, H 7.82%, N 7.25%, O 16.56%.

Description and references

Prepn: Adams et al., J. Am. Chem. Soc. 48, 1758 (1926).

Chemical structure

Properties

Crystals from benzene, mp 65°. Slightly sol in water; sol in alcohol, benzene, ether, acetone, olive oil.

Use

Sunscreen.

Therapeutic Category

Anesthetic (topical).

Keywords

Anesthetic (Local)