... is Colorless crystals or white power, without odor. Dhydroxybutanedioic acid,DL-Tartaric Acid Molecular formula: C4H6O6 Widely used in food, medicine, ... and light industry, etc., Mainly sed to manufacture tartaric acid salts, such potassium sodium tartrate and used as beer foaming ... industries. Its acidity is as 1.3 times as citric acid, so specially as acidifying agent for grape juice.Packing : ...