Benzocaine

Chemical Name

Benzocaine

Benzocaine BP98; Anesthesin; Parathesin; Auralgan Otic; Ethyl aminobenzoate; Ethyl 4-aminobenzoate

CAS No.

94-09-7

Molecular Formula

C9H11NO2

Molecular Weight

165.19

Molecular Structure

Storage

Kept In closed container,protected from light.

Usage

Used for pain relief on wounds, ulcers and hemorrhoids, and is also an intermediate of antitussives for relieving cough.

ITEMS

SPECIFICATION

Appearance

White or almost white, crystalline powder or colourless crystals.

Identification(IR)

Meets the requirements

Identification(HPLC)

Meets the requirements

Related compounds

4-aminobenzoic Acid≤0.1%

Ethyl 4-nitrobenzoate≤0.1%

Single Impurity≤0.1%

Total Impurities≤1.0%

Loss on Drying

Sulfated Ash

Residue on Ignition

≤0.1%

Chloride

Turbidity should not occur immediately in reaction

Residue Solvents

Ethanol≤0.5%

Standard

EP 10.1/USP 2021/IN-HOUSE