... Character: Colourless rhombic crystalline or prismatic crystal, easily soluble in water, insoluble in ethanol, relative density 1.63, melting point 34.6 ... heated to 180, it may lose crystal water ,convert to anhydrous.5 Uses: In food processing industry, it is used as ... Pb),≤%Heavy Metal(Pb),≤%0.001,≤%Fluoride,≤%0.005,≤%Insoluble in water,≤%0.2 Loss on dryingNa2HPO4,≤%Na2HPO4·2H2O,%Na2HPO4·12H2O,≤% ...