Sodium Acid Pyrophosphate
Disodium pyrophosphate or sodium acid pyrophosphate (SAPP)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.
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Molecular Formula:
Na2H2P2O7
CAS NO.
7758-16-9
Uses:
As rapid ferment agent, remaining water agent, a kind of quality improvers used in bread, cookies, meat, aquatic products etc.
| Index | GB 25567-2010 |
| Assay (as Na2H2P2O7)≥% | 93.0-100.5 |
| Arsenic (As)≤% | 0.0003 |
| Heavy metal (as Pb)≤% | 0.001 |
| Fluoride (F)≤% | 0.005 |
| PH value (10g/L solution) | 4.0±0.5 |
| Lead (Pb)≤% | 0.0002 |
| Insoluble matter in water ≤% | 1.0 |
