Chemical Product Library / Reference
Potassium Nitrate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Potassium Nitrate |
|---|---|
| English synonyms | Potassium nitrate;Saltpeter;Niter |
| Chinese name | 硝酸钾 |
| Chinese synonyms | 硝石;火硝;硝酸钾盐 |
| Chemical category | Fertilizers |
| CAS No. | 7757-79-1 |
| EINECS No. | 231-818-8 |
| Molecular formula | KNO3 |
| Molecular weight | 101.1 |
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
KNO3 content ≥99.0%; moisture ≤0.1%; chloride ≤0.01%; sulfate ≤0.01%; water-insoluble matter ≤0.02%
Performance characteristics
White crystalline powder or granules, soluble in water, strong oxidizing agent
Application scenarios
Agricultural fertilizer (potassium and nitrogen), fireworks, glass manufacturing, food preservative, heat treatment salt