Description
Acetic Acid Otic Solution, USP is a solution of acetic acid (2%) in a propylene glycol vehicle containing propylene glycol diacetate (3%), benzethonium chloride (0.02%), and sodium acetate (0.015%). The empirical formula for acetic acid is CH 3COOH, with a molecular weight of 60.05. The structural formula is:
Acetic Acid is available as a nonaqueous otic solution buffered at pH 3 for use in the external ear canal.