SODIUM PYROPHOSPHATE
Chemical name: Anhydrous sodium Pyrophosphate
Formula: Na4P2O7
Molecular Weight: 265.90
Property: White powder, easily soluble in water, density at 2.45, melting point at 890ºC, its water solution is alkaline, PH value in 1% solution is 9.9~10.7
Specification:
| Specifications |
Industrial grade |
Food grade |
| Main contents%≥ |
96.5 |
96.5 |
| Phosphorus pentoxide%≥ |
51.50 |
51.50 |
| Phosphate |
Qualified |
Qualified |
| PH value of 1% solution |
9.9-10.7 |
9.9-10.7 |
| Fineness (through 60 mesh) %≥ |
90 |
90 |
| Heavy metals, as Pb%≤ |
|
0.001 |
| Arsenic, as As%≤ |
|
0.0003 |
| Fluoride as F%≤ |
|
0.005 |
| Water insoluble%≤ |
0.10 |
0.10 |
Usage: Mainly used as detergent in washing, bleach in paper-making, and electroplating, etc. For food grade it is mainly used as food additive, buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
Packing: in 25kg net plastic woven bag
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