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Disodium phosphate

Molecular Formula: Na2HPO4; Na2HPO4.2H2O; Na2HPO4.12H2O
Molecular Weight: 141.96;177.99;358.14
CAS NO: 7558-79-4(Anhydrous);10028-24-7(Dihydrate);10039-32-4(Dodecahydrate).
Standard erecuted:HG/T 2965-2009 for Dodecahydrate;According to customer's demand for Anhydrous and Dihydrate.
Appearance: white powder or granules.
Uses: Used as boiler water softener, fabric, wood and paper flame retardant, etc.
Packing: 25Kg, 50Kg bag; Container ton bag; Customer requirements.
Technical indicator: HG/T 2965-2009

Specification

Item

Industrial grade

Disodium hydrogen phosphate (as Na2HPO4.12H2O), w/% ≥

97.0

Sulfate (as SO4), W/% ≤

0.7

Chloride (as Cl), W/% ≤

0.05

Arsenic (As),W/% ≤

0.005

Fluoride (as F), W/% ≤

0.05

Ferrum (Fe),W/% ≤

0.05

Water insoluble matter, w/%≤

0.05

PH(10g/L solution)

9.0±0.2



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