Chemical Product Library / Reference
Sodium trimetaphosphate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Sodium trimetaphosphate |
|---|---|
| English synonyms | STMP;Sodium trimetaphosphate;Sodium trimetaphosphate |
| Chinese name | 三偏磷酸钠 |
| Chinese synonyms | STMP;三偏磷酸钠;偏磷酸三钠 |
| Chemical category | Food Acids & Regulators |
| CAS No. | 7785-84-4 |
| EINECS No. | 232-088-3 |
| Molecular formula | Na3P3O9 |
| Molecular weight | 305.89 |
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 ≥95.0%; P2O5 content ≥68.0%; water-insoluble matter ≤0.1%; moisture ≤0.5%
Performance characteristics
White powder, soluble in water, good chelating and cross-linking properties
Application scenarios
Food starch modifier, water treatment, pharmaceutical excipient, textile auxiliary