Chemical Product Library / Reference
Diiron trioxide
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Diiron trioxide |
|---|---|
| English synonyms | Iron(III) oxide;Ferric oxide;Red iron oxide;Hematite |
| Chinese name | 三氧化二铁 |
| Chinese synonyms | 氧化铁;氧化铁红;铁红;红色氧化铁 |
| Chemical category | Iron Oxide Pigments |
| CAS No. | 1309-37-1 |
| EINECS No. | 215-168-2 |
| Molecular formula | Fe2O3 |
| Molecular weight | 159.69 |
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
Fe2O3 content ≥96.0%; water-soluble matter ≤0.5%; loss on ignition ≤1.0%; residue on 325 mesh ≤0.5%
Performance characteristics
Red to purplish-red powder, insoluble in water, good light and weather fastness
Application scenarios
Pigments (coatings, inks, plastics, construction materials), magnetic materials, catalysts, polishing agents