Trisodium phosphate
CAS No: 7601-54-9 (anhydrous);10101-89-0 (Dodecahydrate)
Chemical formula: Na3PO4. 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.
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
|
Food
|
Industrial
|
Food
|
|
1
|
Main contents% ≥
|
98.0
|
98.0
|
98.0
|
98.0
|
|
2
|
Phosphorus pentoxide%≥
|
39.5
|
39.5
|
18.3
|
18.3
|
|
3
|
Sodium oxide, as Na2O
|
36-40
|
36-40
|
15.5-19
|
15.5-19
|
|
4
|
Sulfate, as SO4 % ≤
|
|
0.25
|
0.5
|
0.5
|
|
5
|
Heavy metal, as Pb% ≤
|
|
0.001
|
0.001
|
0.001
|
|
6
|
Arsenic, as As% ≤
|
|
0.0003
|
0.0003
|
0.0003
|
|
7
|
Fluoride as F% ≤
|
|
0.005
|
0.005
|
0.005
|
|
8
|
Water insoluble% ≤
|
0.10
|
0.10
|
0.10
|
0.10
|
|
