Chemical Product Library / Reference
Phosphoric Acid
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Phosphoric Acid |
|---|---|
| English synonyms | Orthophosphoric acid;Phosphoric acid;H3PO4 |
| Chinese name | 磷酸 |
| Chinese synonyms | 正磷酸;磷酸; orthophosphoric acid |
| Chemical category | Acids |
| CAS No. | 7664-38-2 |
| EINECS No. | 231-633-2 |
| Molecular formula | H3PO4 |
| Molecular weight | 98 |
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
H3PO4 content ≥85.0% (aqueous) or ≥99.0% (crystal); chloride ≤0.001%; sulfate ≤0.005%; heavy metals (as Pb) ≤5 ppm
Performance characteristics
Colorless transparent viscous liquid or white crystals, soluble in water, non-volatile acid
Application scenarios
Food acidulant, beverage, fertilizer production, metal treatment, pharmaceutical, water treatment