Description
Potassium hydrogen tartrate is the acid salt of potassium tartrate. Usually colorless to white orthorhombic crystalline powder, the solubility in water varies with temperature, insoluble in ethanol and acetic acid, and easily soluble in inorganic acids; it is a by-product of wine making, and is called tartar in the food industry. Used as additive, leavening agent, also used as reducing agent and buffer reagent.
