Mainly used as an Active medicament in an Antacid Formulations, also used in manufacturing of Lake Colors, Inks, glass, effluent treatment, and fire retardants. White, Light, Amorphous powder odorless, tasteless Solubility: Insoluble in water, ethanol 95% dissolves in dil.mineral acids and caustic alkali solutions. Alkaline impurities : Complies as