Product Main

Specifications

Tri-Sodium Phosphate
Chemical formula: Na3PO4. nH2O (n=0, 12)
Molecular weight: 380.14
Standard executed: Tech grade (HG/T 2517-1993)  Food grade(National standard) CAS Number: 7758-79-4
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 1.62g/cm3, 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.
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Guaranteed Technical Specifications:
No.
Specifications
Na3PO4
Na3PO4 .12H2O
Industrial
grade 
Food
grade
Industrial
grade
Food
grade
 1
Appearance 
 white powder
 white or colorless crystal powder
Main contents% ≥
98.0
98.0
98.0
98.0
Phosphorus pentoxide (P2O5)%≥
39.5
39.5
18.3
18.3
Sodium oxide, as Na2O
36-40
36-40
15.5-19
15.5-19
Sulfate, as SO4 % ≤
 
0.25
0.5
0.5
Heavy metal, as Pb% ≤
 
0.001
 
0.001
Arsenic, as As% ≤
 
0.0003
 
0.0003
Fluoride as F% ≤
 
0.005
 
0.005
Water insoluble% ≤
0.10
0.10
0.10
0.10