Specification :

Synonyms]: Sodium dihydrogen phosphate dihydrate; Monosodium phosphate dihydrate

[Chemical formula]: NaH2PO4¡¤2H2O

[Molecular weight]: 156.01

[Properties]: White crystals, soluble in water easily, water solution is acid. PH value of 1%

water solution is 4.5.

[Uses]: Used as soft water agent for boiler. For food grade, it is mainly used as

additive agent, PH adjustable agent.

[Standard executed]: HG/T2767-199
Specifications Technical gradeFood grade

Main content,as NaH2PO4¡¤2H2O.min 98.0 98.0

PH of 1% water solution. __4.2-4.8

Phosphorus pentoxide,as P2O5.min _44.6

Arsenic, as As. max _0.0003

Heavy metals, as Pb. max _0.001

Water insoluble. max 0.1 0.1

Fluoride, as F. max _0.003

Sulfate, as SO24£­ max 0.5 _

Sodium oxide, as Na2O _18.8-21.0
Chloride£¨as Cl£© max 0.4 _
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