1．Chemical name: Disodium Phosphate、Sodium Phosphate,dibasic 2．M. F.:Na2HPO4 3．M. W. : 141.98 4．Physical properties: White powder; easily soluble in water,but insoluble in alcohol，its water solution is slightly alkaline。 5．Quality standard: （HG2920-2000、FCC-Ⅳ） Name of index HG2920-2000 FCC-Ⅳ Disodium Phosphate Na2HPO4 (on dried material) ≥ % 98.0 98.0 Water Insoluble ≤% 0.2 0.2 Arsenic (As) ≤% 0.0003 0.0003 Heavy Metal (as Pb) ≤% 0.001 0.001 Fluoride (as F) ≤% 0.005 0.005 Loss on lgnition ≤% 5.0 5.0 PH (1% aqueous solution) 9.0-9.4 - 6．Usage:Used as improver, pH regulator, alimentary fortifier, emulsified dispersant in food industry. Mainly applied to cheese, drinks, jelly, ice-cream. 7．Packing: It is packed with ployethylene bags as line-r , and a woven bag as the outer layer. The net weight of each bag is 25kg. 8．Storage and transport: It should be stored in a dry . ventilative and clean warthouse; kept away from moisture and hot, Furthermore, it should be stored separstely from poisonous Substances.