The sodium salt of benzoic acid, NaC7H 5O 2, used as a food preservative, an antiseptic, and an intermediate in dye manufacture and in the production of pharmaceuticals. Also called benzoate of soda苯甲酸钠:苯酸钠盐,NaC7H 5O 2用作食物防腐剂、杀虫剂,以及在印染生产和制药生产中的中间体 也作 benzoate of soda