Butyl Parahydroxybenzoate Sodium and its Impurities

Butyl Parahydroxybenzoate Sodium, or butyl p-hydroxybenzoate, It is a white solid that is soluble in organic solvents. It has proven to be a highly successful antimicrobial preservative in cosmetics. It is also used in medication suspensions, and as a flavoring additive in food. Reference standards of Butyl Parahydroxybenzoate Sodium API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.