Benzoic Acid

CH.COOH. Mpt. 121° C. Union of the carboxyl group (COOH) with the phenyl group (C2H2). The simplest aromatic acid. Monobasic acid found in certain resins, particularly gum benzoin. Also in the urine of herbivorous animals in hippuric acid, and it is obtained together with benzaldehyde by the action of water upon benzyl chloride and benzal chloride. Flat, colorle plates, subliming easily.