Specification :
[Synonyms]:Disodium hydrogen phosphate dodecahydrate
[Chemical formula]: Na2HPO4 12H2O
[Molecular weight]: 358.14
[Properties]: White or colorless, crystal free flowing solid, effloresce in air, soluble in water easily, relative density is 1.63, melting point is 34.6 .
[Uses]: Used as boiler water softener; treatment of leather and fabrics to increase weight; flame retardant for fabrics, wood and paper in dyeing; culture medium for biochemical treatment; raw material for production of sodium pyrophosphate and other phosphates.
[Standard executed]: G/T2965-2000/HG2920-2000
Specifications Technical gradeFood grade
Maincontent,as Na3PO4¡¤12H2O.min 97.0 98.0
Phosphorus pentoxide,as P2O5.min _19.4
Chloride, as Cl. max 0.05 0.014
Arsenic, as As. max _0.0003
Fluoride, as F. max _0.005
Heavy metals, as Pb. max _0.001
Sulfate, as SO42-. max 0.7 0.014
PH _PH _
Water insoluble max 0.05 _
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