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Specifications

Commodity: Trisodium Phosphate(TSP)
Molecular formula: Na3PO4.12H2O
Molecular weight: 380.14
CAS No.: 10101-89-0
Appearance: White or colorless crystals
Properties: Colourless or white crystal, relative density is 1.62, melting point is 73.3 to 76.7 centigrade. It is soluble in water and insoluble in ethanol and carbon bisulfide, its aqueous solution shows alkaline and harms to skin. Heat it up to 100 centigrade, loses 11 crystal waters and becomes sodium phosphate monohydrate. Keep on heating up to 212 centigrade, it becomes sodium phosphate anhydrous. It is easy to airslake in the dry air.
Uses: Water softening agent, cleaning agent to electroplating, color fixer to fabric dyeing and color fixing in enamel industry.