Potassium Sorbate is a white solid. It is used as a food preservative in processed food, beverages, and personal-care products. It is utilized as a food antimicrobial agent, to prevent the growth of molds, yeast, and bacteria. Primarily used as a food preservative. Sales Specification Appearance: White Granular Assay: 99% -101.0% Free Acid (As Sorbic Acid):