Chemical formula: Na3PO4 · XH2O (X=0,12)
Molecular weight: 380.12
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 net bags, store at a cool, dry and well ventilated place
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 |
6 |
Arsenic, as As% ≤ |
-
|
0.0003 |
- |
0.0003 |
7 |
Fluoride as F% ≤ |
-
|
0.005 |
- |
0.005 |
8 |
Water insoluble% ≤ |
0.10 |
0.10 |
0.10 |
0.10 |