Density (g/mL, 25 DHS C) 2.534 Melting point¨¬C£©£º 980 Solubility: Soluble in water, alkaline aqueous solution, insoluble in alcohol. sodium pyrophosphate:¡Ã% 97.5 Water content:¡Ã% 0.20 PH (10 g/L): 9.9-10.07 Orthophosphate: Pass the test 25KG/50KG BAG