CAS No.: 10101-89-0
Synonymous: Trisodium phosphate dodecahydrate
Molecular formula: Na3PO4.12(H2O) Molecular Weight: 380.12
Property:
White or colorless granular crystal, soluble in water easily but not in organic solvent. Water solution is alkaline. PH of 1% solution is 12.1. relative density: 1.62, melting point: 73.4 °C.
Technical Index:
| No. |
Index name |
Industrial grade |
Food grade |
| 1 |
Content(based on Na3PO4•12H2O) %≥ |
98.0 |
98.0 |
| 2 |
Phosphorus pentoxide (based on P2O5) %≥ |
18.3 |
18.3 |
| 3 |
Sulfate (based on SO4) %≤ |
0.5 |
0.5 |
| 4 |
Chloride(based on Cl) %≤ |
0.3 |
0.02 |
| 5 |
Water insoluble %≤ |
0.10 |
0.10 |
|
6 |
Methyl orange alkalinity(based on Na2O) %≤ |
15.5-19 |
15.5-19 |
|
7 |
Heavy metal(based on Pb) %≤ |
- |
0.001 |
|
8 |
Arsenic(based on As) %≤ |
- |
0.003 |
Usage:
Used as soft water agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in fabric dyeing and flux in enamel ware manufacturing, and so on.
Package and Storage:
Woven bag with plastic lining, NW:25KG or 50KG, stored in draughty and dry place.
