Tri-Sodium Phosphate(TSP)
Chemical formula: Na3HPO4. nH2O (n=0,12)
Molecular weight: 380.14
Standard executed:HG/T2517-93
CAS Number:7758-79-4
Guaranteed Technical Specifications
No. |
Specifications |
Na3PO4 |
Industrial grade |
Food grade |
1 |
Apearance |
white powder |
2 |
Main contents% ≥ |
98.0 |
98.0 |
3 |
Phosphorus pentoxide(P2O5)%≥ |
39.5 |
39.5 |
4 |
Sodium oxide, as Na2O |
36-40 |
36-40 |
5 |
Sulfate, as SO4 % ≤ |
|
0.25 |
6 |
Heavy metal, as Pb% ≤ |
|
0.001 |
7 |
Arsenic, as As% ≤ |
|
0.0003 |
8 |
Fluoride as F% ≤ |
|
0.005 |
9 |
Water insoluble% ≤ |
0.10 |
0.10 |
Propertie
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 1.62g/cm3, melting point is 73.4 ℃.
Uses
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.
|
