Sodium phosphate

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seat: Beijing
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Last update: 2017-12-23 12:47
Browse the number: 156
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Sodium phosphate

[Name]
sodium phosphate [7601-54-9]
[Molecular formula] Na3PO4·12H2O
[Synonyms] sodium phosphate
[Molecular weight] 380.12
[UN] -
[Product Specifications] HG/T2517-1993

Index Name Industry Grade
Excellent Grade 1 Grade 2
Purity,% min 98.5 98.0 95.0
Methyl Orange basicity(Na2O),% 16.5~19.0 16.0~19.0 15.5~19.0
Water-insoluble matter, % max 0.05 0.10 0.10
Sulphates(SO4),% max 0.50 0.50 0.80
Chloride (Cl),% max 0.30 0.40 0.50
Iron (Fe),% max 0.01
Arsenic(As),% max 0.005


[Character] White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4°C.
[Uses] Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
[Packing] Packing with polythene plastic bag lined with plastic weaven bag. 25kg or 50kg per bag.

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