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| Tri-Sodium Phosphate(TSP) |
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| Chemical name |
Tri-Sodium Phosphate(TSP) |
| CAS NO. |
7758-79-4 |
| Molecular weight |
380.14 |
| Chemical formula |
Na3HPO4. nH2O (n=0,12) |
| Standard executed |
HG/T2517-93 |
| Properties |
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 ℃. |
| Application |
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. |
| Guaranteed Technical Specifications |
|
Specifications |
Na3PO4
(Anhydrous) |
Na3PO4 .12H2O
(Duohydrate) |
Industrial |
Food |
Industrial |
Food |
1 |
appearance |
white powder |
white or colorless crystal power |
2 |
Main contents% ™ |
98.0 |
98.0 |
98.0 |
98.0 |
3 |
Phosphorus pentoxide(P2O5)%™ |
39.5 |
39.5 |
18.3 |
18.3 |
4 |
Sodium oxide, as Na2O |
36-40 |
36-40 |
15.5-19 |
15.5-19 |
5 |
Sulfate, as SO4 % ˜ |
|
0.25 |
0.5 |
0.5 |
6 |
Heavy metal, as Pb% ˜ |
|
0.001 |
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0.001 |
7 |
Arsenic, as As% ˜ |
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0.0003 |
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0.0003 |
8 |
Fluoride as F% ˜ |
|
0.005 |
|
0.005 |
9 |
Water insoluble% ˜ |
0.10 |
0.10 |
0.10 |
0.10 |
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