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Specifications

Product Name: sodium dihydrogen phosphate
English name: sodium dihydrgen phosphate
Molecular formula: NaH2PO4.2H2O
MW: 156.01
Features: Colorless orthorhombic high crystallinity, easily soluble in water, easily in the wet air, agglomerate, 100 ℃ when the anhydrous dehydration. Aqueous solution is acidic. (PH = 4.5)
Application: for boiler water treatment, electroplating, tanning, baking powder, dye additives, detergents, mica thoroughly combined, acid buffer, etc. Preparation of sodium hexametaphosphate is also a condensation of phosphate and raw materials.
Technical Requirements:
Project
Indicators
Dihydrate sodium dihydrgen phosphate
Anhydrous sodium dihydrgen phosphate
sodium dihydrgen phosphate (NaH2PO4·2H2O)w/% (NaH2PO4)(Juice dry)w/% ≥
98.0
98.0
Water Insoluble w/% ≤
0.10
0.20
Iron (In Fe Dollars)w/% ≤
0.05
0.05
Arsenic (In As Dollars)w/% ≤
0.01
0.01
Sulfate(To SO4 account)w/% ≤
0.5
0.5
Chloride(In CI dollars)w/% ≤
0.40
0.40
pH(10g/LSolution)
4.2-4.6
4.2-4.6
Fluorine(F)w/% ≤
0.05
0.05
Loss on drying(NaH2PO4)w/% ≤
--
2.0