Iron(II) chromite

Iron(II) chromite
Names
IUPAC name
Iron(2+) chromite
Identifiers
3D model (JSmol)
ECHA InfoCard 100.013.782 Edit this at Wikidata
EC Number
  • 215-159-3
RTECS number
  • GB4000000
  • InChI=1S/Cr.Fe.3O/q2*+3;3*-2
    Key: HEQBUZNAOJCRSL-UHFFFAOYSA-N
  • [O-2].[O-2].[O-2].[Cr+3].[Fe+3]
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 labelling:
GHS09: Environmental hazard
H317
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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

Chromite, a FeCr2O4 containing 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

  1. ^ University of Akron Chemical Database Archived 2012-12-15 at archive.today