Molecular formula： Na3PO4·12H2O; Na3PO4
Molecular weight： 385.0; 163.97
CAS No.： 10101-89-0; 7601-54-9
Property：White crystalline or powder, melting point 1340℃, relative density 2.536g/cm3, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline.
Usage：
1. In tech field: Used as soft water agent, daily chemicals, cleaning agent in chemicals, textile, dying, paper, and electricity generation industry. Used as bolier compound, dye-fixing agent in dying coagulator in ruber industry etc.
2. In Food field: Used as emulsifier, nutrient supplement and quality modifier in food processing.
Packing：Net in 25KG plastic woven bag.
Specification：
|
|
Dodecahydrate |
Anhydrous |
||
|
Type |
Tech grade |
Food grade |
Tech grade |
Food grade |
|
Purity |
98% Min |
98% Min |
98% Min |
98% Min |
|
P2O5 |
18.3% Min |
18.3% Min |
40% Min |
42% Min |
|
Sulfate ( SO4) |
0.5% Max |
0.5% Max |
0.5% Max |
0.25% Max |
|
Chloride (Cl) |
0.4% Max |
0.02% Max |
0.3% Max |
---- |
|
Water insoluble matter |
0.1% Max |
0.1% Max |
0.1% Max |
0.2% Max |
|
PH value |
11.5-12.5 |
11.5-12.5 |
11.5-12.5 |
11.5-12.5 |
|
Fluorine (F) |
---- |
---- |
---- |
0.005% Max |
|
Heavy metal (Pb) |
---- |
0.001% Max |
---- |
0.001% Max |
|
Arsenic (As) |
---- |
0.003% Max |
---- |
0.0003% Max |