Chemical Product Library / Reference
Sodium Pyrophosphate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Sodium Pyrophosphate |
|---|---|
| English synonyms | TSPP;Sodium pyrophosphate;Tetrasodium pyrophosphate |
| Chinese name | 焦磷酸钠 |
| Chinese synonyms | TSPP;无水焦磷酸钠;十水焦磷酸钠 |
| Chemical category | Food Acids & Regulators |
| CAS No. | 7722-88-5 |
| EINECS No. | 231-767-1 |
| Molecular formula | Na4P2O7 |
| Molecular weight | 265.9 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Assay ≥98.0% (anhydrous); water-insoluble matter ≤0.1%; pH (1% aqueous solution) 9.5–10.5; iron ≤0.01%
Performance characteristics
White powder, soluble in water, excellent chelating and dispersing properties
Application scenarios
Food quality improver, water treatment, detergent builder, ceramic industry, metal cleaning