Product Name: Potassium sorbate FCC IV/E202 CAS NO.:590-00-1 Molecular Formula: C6H7KO2 Molecular Weight: 150.21 Package: 25 kgs neutral carton Application: Used extensively in food, drink, vegetables in soy, tobacco, drugs, cosmetics, agricultural products, forage and other domain. As acidic preservative, also used well in neutral food (ph6.0-6.5).