Trisodium phosphate
Synonyms: Tri Sodium Phosphate; Sodium Phosphate Tribasic; Phosphoric Acid Trisodium salt
CAS NO.:7601-54-9
HS Code: 2835291000
Chemical formula: Na3PO4.12H2O
Molecular weight: 380.14
Standard executed: HG/T2517-93
Properties:
- appearance: white or colorless crystals
- Efflorescent in air
- Solubility: easily soluble in water but not in organic solution
- PH: water solution is alkaline, and PH value of 1% solution is 12.1
- Relative density:1.62
- Melting point:73.4
Technical Specifications:
|
NO |
Specifications |
Industrial Grade |
Food Grade |
|
1 |
Main content |
98.0% min. |
98.0% min. |
|
2 |
P2O5 |
18.3% min. |
18.3% min. |
|
3 |
Chloride, as CL |
1.5% max. |
0.3% max. |
|
4 |
Sodium oxide, as Na2O |
15.5-19.0% |
15.5-19.0% |
|
5 |
Sulfate, as SO4 |
0.5% max. |
0.5% max. |
|
6 |
Heavy metal, as Pb |
- |
0.001% max. |
|
7 |
Arsenic, as As |
- |
0.0003% max. |
|
8 |
Fluoride, as F |
- |
0.002% max. |
|
9 |
Water insoluble |
0.10% max. |
0.05% max. |
Application: Used as water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and pushing fluxing in enamel ware manufacturing, etc.
Packing: 25/50kg plastic bag with PE inside and PP woven outside; 24MT/20FCL
