DISODIUM PHOSPHATE a disodium hydrogen phosphate, chemical name: disodium hydrogen phosphate, molecular formula: Na2HPO4, Na2HPO4 · 2H2O, Na2HPO4 · 12H2O three, molecular weight: Anhydrous: 141.96; dihydrate: 177.96; twelve water thing: 357.96 four, CAS: Anhydrous: 7558-79-4; dihydrate: 10028-24-7; twelve water thing: 10039-32-4 five properties: white or colorless prismatic crystal or monoclinic crystal, easily soluble in water, insoluble in ethanol, relative density of 1.52, melting point 34.6 ℃, lose crystal water into anhydrous at 180 ℃. Sixth, use: foods for baking products, to prevent oxidation discoloration, dairy emulsifier to prevent protein coagulation, solid drinks from chelation, emulsification buffer. Seven Packing: lined with polyethylene plastic. Coat composite plastic woven bag, net weight 25kg. Eight, storage and transportation: This product should be sealed and stored in dry and ventilated warehouse, prevent moisture, heat, and stored separately from poisonous substances. Transport handle with care put. Packaging to prevent breakage. Quality indicators Specification GB25568-2010 content (Na2HPO4 dollars), ≥% Assay (Na2HPO4) 98.0 arsenic (As), ≤% As 0.0003 Heavy metals (as Pb), ≤% Heavy Metal (Pb) 0.001 fluoride, ≤% Fluorides 0.005 Water insoluble matter, ≤% Insoluble In Water 0.2 Loss on drying degree ≤% Loss Dn Drying Na2HPO4 5.0 Na2HPO4 · 2H2O 18.0-22.0 Na2HPO4 · 12H2O 61.0 pentoxide ≥% P2O5 49.0 (Counted As Na2HPO4)