Disodium pyrophosphate or sodium acid pyrophosphate is an inorganic compound consisting of sodium cations and pyrophosphate anion. It is a white, water-soluble solid that serves as a buffering and chelating agent, with many applications in the food industry.
- Cas No:
- 7758-16-9
- Formula:
- Na2H2P2O7
- Molecular Weight:
- 221.94
- Character:
- It occur as a white crystalline powder or granules, soluble in water, it may contain a suitable aluminium and calcium salt to control salt of reaction (ROR) in leaving system.
- Packaging:
- 25/50 Kg. HDPE bags with polyliner inside / Fibre drum with poly bag.
- Storage:
- Preserve in air tight containers
Available Grade & Specification
| Item | FCC | CP |
|---|---|---|
| Assay | NLT 93.0% to 100.5% of Na2H2P2O7 | 95.0 – 99.0% |
| Identification | Positive | Positive |
| pH (1:100) | About 4 | 4.0-4.5 |
| Arsenic | 3PPM | 39.0% TO 40.5% (w/w) |
| Fluoride | 0.005%Max | |
| Insoluble Substance | NMT 1.0% | 2.0% Max |
| Lead | 2 PPM Max | |
| Phosphorus( As P2O5) | Pass the test | 62.0-63.0% |
| Loss on Drying | Pass the test | 100PPM Max |
| Heavy Metals(As Pb) | 1.0-2.0% |