... , 1 Chemical Name: Disodium Phosphate2 Molecular Formula: Na2HPO4.12H2O, Na2HPO4.2H2O, Na2HPO43 Molecular weight :358.0574 Character: Colourless rhombic crystalline or ... ,≤%0.005,≤%Insoluble in water,≤%0.2Loss on dryingNa2HPO4,≤%Na2HPO4·2H2O,%Na2HPO4·12H2O,≤%5.018.0-22.061.0:,.(Except loss ...