Chemical Product Library / Reference
Potassium sulfate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Potassium sulfate |
|---|---|
| English synonyms | Potassium sulfate;Sulfate of potash;K2SO4 |
| Chinese name | 硫酸钾 |
| Chinese synonyms | 硫酸钾;钾矾;无水硫酸钾 |
| Chemical category | Fertilizers |
| CAS No. | 7778-80-5 |
| EINECS No. | 231-915-5 |
| Molecular formula | K2SO4 |
| Molecular weight | 174.26 |
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
K2O content ≥50.0%; chloride ≤1.5%; moisture ≤0.5%; water-insoluble matter ≤0.5%
Performance characteristics
White crystalline powder or granules, soluble in water, chlorine-free potassium fertilizer
Application scenarios
Agricultural potassium fertilizer (chlorine-sensitive crops), glass manufacturing, pharmaceutical, potassium salts production