a white, crystalline, slightly water-soluble powder, C 7 H 6 O 2 , usually derived from benzoin or other balsams, or synthesized from phthalic acid or toluene: used chiefly as a preservative, in the synthesis of dyes, and in medicine as a germicide.
a white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C6H5COOH Systematic name benzenecarboxylic acid
(běn-zō'ĭk) A white, crystalline acid used in preserving food, as a cosmetic, and in medicine. Benzoic acid consists of a benzene ring with a carboxyl group (COOH) attached. It occurs naturally in some plants. Chemical formula:C7H6O2.