Tartaric Acid Potassium Sodium Tetrahydrate and its Impurities

A naturally occurring crystalline organic compound. It is added to foods as an antioxidant and to add a distinctive sour taste. Also a useful raw material in organic chemistry for the synthesis. Reference standards of Tartaric Acid Potassium Sodium Tetrahydrate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.