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Specifications

Trisodium Phosphate (TSP)

H.S No.: 28352300
Molecular formula: Na₃HPO₄.XH₂O (X=0,12)
Molecular weight: 380.14
Standard executed: HG/T2517-93

Properties: 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 1.62, melting point is 73.4 ℃.

Application: Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.

Package and storage: In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.

Specification

Item	Na₃PO₄		Na₃PO₄.12H₂O
Item	Industrial index	Food index	Industrial index	Food index
Main contents%	98.0min	98.0min	98.0min	98.0min
Phosphorus pentoxide%	39.5min	39.5min	18.3min	18.3min
Sodium oxide, as Na₂O	36-40	36-40	15.5-19	15.5-19
Sulfate, as SO₄ %		0.25max	0.5max	0.5max
Heavy metal, as Pb%		0.001max	0.001max	0.001max
Arsenic, as As%		0.0003max	0.0003max	0.0003max
Fluoride as F%		0.005max	0.005max	0.005max
Water insoluble%	0.10max	0.10max	0.10max	0.10max