Iron(II) chromite

Iron(II) chromite is an inorganic compound with the chemical formula FeCr2O4.

Iron(II) chromite
Names
IUPAC name
Iron(2+) chromite
Identifiers
3D model (JSmol)
ECHA InfoCard 100.013.782
EC Number
  • 215-159-3
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
2.16
Structure
cubic
Hazards
GHS pictograms
H317
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

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

Chromite, a FeCr
2
O
4
contaning mineral

It is used as a commercial source of chromium and its compounds.[1] It is also used as a catalyst in the synthesis of hydrogen (H2) from the reaction between carbon monoxide and water vapor.

Safety

Its dust particles may cause irritation; inhalation and ingestion of its dust should be avoided. Swallowing larger amounts may cause injury.

References

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