Disodium Phosphate

Chemical Name: Disodium Phosphate

Molecular Formula: Na2HPO4; Na2HPO42H2O; Na2HPO4·12H2O

Molecular Weight: Anhydrous: 141.96;  Dihydrate: 177.99;  Dodecahydrate:358.14

CAS: Anhydrous:7558-79-4; Dihydrate: 10028-24-7 ; Dodecahydrate:10039-32-4

Character: White powder, easily soluble in water, insoluble in alcohol. Its water solution is slightly alkaline.

 

Product Detail

Usage: In food industry, it is used as agent for baking to avoid oxidation stain and as emulsifier in dairy product to prevent egg white from solidification. It is also used as emulsifier and chelating agent for solid drinks.
Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Quality Standard: (GB 25568-2010,FCC VII)

Specification GB 25568-2010 FCC VII
Content Na2HPO4,( On Dry Basis),w/%    98.0 98.0
Arsenic(As),mg/kg                      ≤ 3 3
Heavy Metal (As Pb),mg/kg           ≤ 10 ————
Lead(Pb),mg/kg                         ≤ 4 4
Fluorides(As F),mg/kg                 ≤ 50 50
Insoluble Substances,w/%            ≤ 0.2 0.2
Loss On Drying,w/% Na2HPO4          ≤ 5.0 5.0
Na2HPO4·2H2O 18.0-22.0 18.0-22.0
Na2HPO4·12H2O  ≤ 61.0 ————
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