Iron(II) chromite
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| Names | |
|---|---|
| IUPAC name
Iron(2+) chromite | |
| Identifiers | |
| 1308-31-2 | |
| EC number | 215-159-3 |
| |
| Jmol-3D images | Image |
| PubChem | 166600 |
| RTECS number | GB4000000 |
| |
| Properties | |
| FeCr2O4 | |
| Molar mass | 223.83 g/mol |
| Appearance | brown-black solid |
| Density | 4.97 g/cm3 |
| Melting point | 2,190 to 2,270 °C (3,970 to 4,120 °F; 2,460 to 2,540 K) |
| insoluble | |
| Solubility | slightly soluble in acid |
| Refractive index (nD) |
2.16 |
| Structure | |
| Crystal structure | cubic |
| Hazards | |
| GHS pictograms |  |
| H317 | |
| EU classification |  N |
| R-phrases | R58 |
| S-phrases | S61 |
| Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | |
| Infobox references | |
Iron(II) chromite is an inorganic compound with the chemical formula FeCr2O4.
Preparation
It is created by the sintering of chromium(III) oxide and iron(II) oxide at 1600 °C. It also occurs in nature as the mineral chromite, though with many impurities.
Uses
It is used as a commercial source of chromium and its compounds. [1]
Safety
It dust particles may cause irritation. Avoid inhalation and/ or ingestion of dusts. Swallowing larger amounts may cause injury.
References
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