Chemical Product Library / Reference
Tetrapotassium pyrophosphate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Tetrapotassium pyrophosphate |
|---|---|
| English synonyms | TKPP;Potassium pyrophosphate;Tetrapotassium diphosphate |
| Chinese name | 焦磷酸四钾 |
| Chinese synonyms | TKPP;焦磷酸钾;无水焦磷酸钾 |
| Chemical category | Food Acids & Regulators |
| CAS No. | 7320-34-5 |
| EINECS No. | 230-785-7 |
| Molecular formula | K4P2O7 |
| Molecular weight | 330.34 |
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%; water-insoluble matter ≤0.1%; pH (1% aqueous solution) 10.0–10.8; iron ≤0.01%
Performance characteristics
White powder, highly soluble in water, excellent chelating and dispersing properties
Application scenarios
Food quality improver, water treatment, metal cleaning, detergent builder, ceramic industry