1) Disodium Phosphate 97% DSP
Chemical formula: Na2 HPO4·XH2O(X=0,12)
Molecuar weight:358.0
Standard executed: HG/T2965-1997
Capacity: 10,000MT/a
2) Properties:
White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.63, melting point at 34.6°C.
3) Technical Data:
| Disodium Phosphate |
Na2HPO4 |
Na2HPO4·12H2O |
| Specifications |
Industrial Grade |
Industrial Grade |
| Main contents % ≥ |
98.0 |
97.0 |
| PH of 1% water solution % ≤ |
8.5-10.0 |
8.5-9.2 |
| Sulfate, as SO4 % ≤ |
- |
0.7 |
| Heavy metals, as Pb % ≤ |
- |
- |
| Arsenic, as As % ≤ |
- |
- |
| Fluoride, as F % ≤ |
- |
- |
| Water insoluble % ≤ |
0.10 |
0.10 |
4) Application:
Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, etc.
5) Package: In 25kg, 50kg, 1000kg net bags, store at a cool ,dry and well ventilated place.
