... /bag or 25kg/drum. Brief Introduction:Sorbic acid, or 2,4-hexadienoic acid, is a natural organic compound used as a ... 99% purity , White or white crystal powder . Have Pharmaceutical grade, food grade and feed grade. The main function of it as : Health organization ... food, beverage, tobacco, pesticides and cosmetic industries, as unsaturated acid, can also be used for resin, spices and rubber industry ...