... of benzene,the color can reach to 15,content is 99.5%,and it is white crystal or white powder.Widely ... used as acidulant, preservatives, antioxidants, mainly for alcohol,soft drinks,baked goods and food processing additives.Industrial Grade ... ,pharmaceutical,oil,preservatives industry.Feed Grade Fumaric Acid,content of 99.5%,mainly for the production of feed acidifier,and feed ...