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Sodium hexametaphosphate
Trisodium phosphate
Sodium phosphate monobasic
Disodium phosphate
Tetrasodium pyrophosphate
Sodium diphosphate
Monopotassium phosphate
Sodium tripolyphosphate
Sodium trimetaphosphate

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