Sodium benzoate FCC/USP is used as a precursor, preservative and antioxidant in foodstuff, cosmetics, mouthwashes, water-based paint products. It is also employed as a flavoring agent, in food items, clinical reagents, diagnostic aid, and as a corrosion inhibitor in engine cooling structures.USP, or United States Pharmacopeia, grade chemicals comply with the standards of the United States Pharmacopeia .FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage and nutritional supplement applications. Sodium Benzoate FCC/USP Grade Powder WC Code: 19-007-01 Sales Specification Appearance: White almost odourless, crystaline powder Content(as dry product)%: 99.0 Loss on drying%: 1.5 Acidity or alkalinity: Passed test Heavy metals%: 0.001 Chloride%: 0.02 Total Cl Content%: 0.03 Polycyclic acids: Passed test As mg/kg: 2 Lead mg/kg: 2 Mercury mg/kg: 1 Readily oxidisable substances: Passed test Sulfate%: 0.1 Transparency and color: Passed test Phthalic acid: Passed test Chroma: 20 Quality Standard FCC 9 / USP38 Packing 50 lb bags , 24 bags per pallet