Chemical Product Library / Reference
Ferrous Sulfate Heptahydrate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Ferrous Sulfate Heptahydrate |
|---|---|
| English synonyms | Iron(II) sulfate heptahydrate;Green vitriol;Copperas |
| Chinese name | 七水硫酸亚铁 |
| Chinese synonyms | 绿矾;硫酸亚铁(七水);铁矾 |
| Chemical category | Inorganic Salts |
| CAS No. | 7782-63-0 |
| EINECS No. | 231-753-5 |
| Molecular formula | FeSO4·7H2O |
| Molecular weight | 278.01 |
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
Fe content ≥19.5%; water-insoluble matter ≤0.05%; free acid (as H2SO4) ≤0.1%; Ti ≤0.01%
Performance characteristics
Pale blue-green crystalline powder or granules, soluble in water, oxidizes in air
Application scenarios
Water treatment coagulant, iron oxide pigment production, feed additive, agricultural iron fertilizer, wood preservative