Chemical Product Library / Reference
Magnesium sulfate heptahydrate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Magnesium sulfate heptahydrate |
|---|---|
| English synonyms | Epsomite;Epsom salts;Magnesium sulfate heptahydrate |
| Chinese name | 七水硫酸镁 |
| Chinese synonyms | 硫酸镁(七水);苦盐;硫苦;泻利盐;泻盐 |
| Chemical category | Inorganic Salts |
| CAS No. | 10034-99-8 |
| EINECS No. | 231-298-2 |
| Molecular formula | MgSO4·7H2O |
| Molecular weight | 246.47 |
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
MgO ≥15.0%; water-insoluble matter ≤0.02%; chloride ≤0.01%; iron ≤0.001%
Performance characteristics
Colorless or white needle-like crystals, soluble in water, effloresces in dry air
Application scenarios
Pharmaceutical laxative, agricultural magnesium fertilizer, feed additive, papermaking, textiles, fireproofing materials