SPECIFICATION
Trisodium Phosphate Dodecahydrate(TSP)
Technical Grade
Chemical formula: Na
3HPO
4. nH
2O (n=0,12)
Molecular weight: 380.14
CAS Number: 7601-54-9(Anhydrous);10101-89-0(Dodecahydrate)
Properties:White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. pH of 1% solution is 11.5-12.5, relative density at 1.62g/cm
3, melting point is 73.4 ºC.
Guaranteed Technical Specifications:
ITEM OF TEST |
Parameters |
Parameters |
Na3PO4 |
Na3PO4.12H2O |
Technical Grade |
Technical Grade |
Main contents %≥ |
98.0 |
98.0 |
P2O5 %≥ |
39.5 |
18.3 |
Alkalinity, as Na2O |
36-40 |
15.5-19 |
Chloride, as Cl %≤ |
- |
1.5 |
Sulfate, as SO4 %≤ |
- |
0.5 |
pH of 1% water soluble |
11.5-12.5 |
11.5-12.5 |
Water insoluble %≤ |
0.10 |
0.10 |
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 ventilated place.