| Trisodium phosphate (TSP) |
 Chemical formula:Na3PO4·12H2O
Molecular weight:380.14
Properties:Appearance is White or colorless granular crystal,efflorescence in air, soluble in water easily but not in organic
solvent; solution is basic fluid, PH is 12.1, Relative Density 1.62, Melting point is 73.4°C.
Uses: used in water softening treatment, daily chemicals, electroplating phosphorization, color fixer in fabric dyeing, flux in
enamel and degrease of leather.
Packing: plastic lined woven bag, Net wt 25 Kg, kept in dry and ventilating place.
Technical index
NO. |
Index name |
Industrial grade |
Food grade |
1 |
Main content (Na3PO4·12H2O) %= |
98.0 |
98.0 |
2 |
P2O5 %= |
18.3 |
18.3 |
3 |
Sulfate(as SO4 ) %= |
0.5 |
0.2 |
4 |
Chloride(as CI) %= |
0.3 |
0.02 |
5 |
Water insoluble matter %= |
0.05 |
0.05 |
6 |
Methyl orange alkalinity(as Na2O) % |
15-19 |
15-19 |
7 |
Heavy metals (as Pb) %= |
—— |
0.001 |
8
|
As %= |
—— |
0.0003 |
|
