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Molecular formula:Na5P3O10Molecular weight:367.86Properties: white flow fine granule Quality index:
| Item | Unit | Index |
| P2O5 | % | ≥57.0 |
| Na5P3O10 | % | ≥96.0 |
| water insoluble matter | % | ≤0.10 |
| Fe | % | ≤0.007 |
| PH (1% solution) | - | 9.2-10.0 |
| Whiteness | % | ≥85 |
Sodium tripolyphosphate food grade