Chemical Product Library / Reference
Disodium hydrogen phosphate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Disodium hydrogen phosphate |
|---|---|
| English synonyms | DSP;Disodium phosphate;Disodium hydrogen phosphate |
| Chinese name | 磷酸氢二钠 |
| Chinese synonyms | DSP;磷酸二钠;无水磷酸氢二钠 |
| Chemical category | Food Acids & Regulators |
| CAS No. | 7558-79-4 |
| EINECS No. | 231-448-7 |
| Molecular formula | Na2HPO4 |
| Molecular weight | 141.96 |
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
Na2HPO4 content ≥98.0%; P2O5 content ≥49.0%; water-insoluble matter ≤0.1%; moisture ≤0.5%
Performance characteristics
White crystalline powder, highly soluble in water, alkaline pH
Application scenarios
Food buffer and emulsifying salt, water treatment (corrosion control), pharmaceutical excipient, detergent