L(+)POTASSIUM HYDROGEN TARTRATE Molecular formula KHC4H4O6 Structural formula HOOC(CHOH)2·COOK Molecular weight: 188.18 Description Colorless or white crystalline powder with sweet and sour taste, sparingly soluble in water, freely soluble in dilute mineral acid, alkaline solution or borax solution and insoluble in acetic acid or ethanol, relative density (d204)1. 984. Use Used as capacity analytical reagent, buffer and reducing agent, also as leavening agent in food industry. Packaging In 25Kg P/E bags covered with woven bags.