Application of benzoic acid
Benzoic acid is an important raw material and product in the chemical industry, especially in the petrochemical industry. It is widely used in the production of cosmetics, pharmaceutical intermediates, food additives, and fine chemicals. In the food industry, benzoic acid, its sodium and potassium salts can be used as food preservatives and antimicrobial agents. At present, its consumption is the first in the pharmaceutical industry. The benzoic acid can be used to produce diaphanic acid. Vine-iodobenzoic acid, m-nitrobenzoic acid, 3,5-dinitrobenzoic acid, 3,5-diaminobenzoic acid, etc.; in the dye industry, for the production of mordants such as 1,5-dihydroxyindole Benzoic acid, etc.; in addition, benzoic acid is also used in the manufacture of plasticizers, as a raw material for the production of phenol and caprolactam, and also for fiber treatment.