Iron(II) chromite

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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:
class="wikitable collapsible" style="min-width: 50em;"
GHS hazard pictograms[1]
Pictogram Code Symbol description Image link
GHS01: Explosive GHS01 {{GHS exploding bomb}} Image:GHS-pictogram-explos.svg Explosive
GHS02: Flammable GHS02 {{GHS flame}} Image:GHS-pictogram-flamme.svg
GHS03: Oxidizing GHS03 {{GHS flame over circle}} Image:GHS-pictogram-rondflam.svg
GHS04: Compressed Gas GHS04 {{GHS gas cylinder}} Image:GHS-pictogram-bottle.svg
GHS05: Corrosive GHS05 {{GHS corrosion}} Image:GHS-pictogram-acid.svg Corrosive
GHS06: Toxic GHS06 {{GHS skull and crossbones}} Image:GHS-pictogram-skull.svg Accute Toxic
GHS07: Exclamation mark GHS07 {{GHS exclamation mark}} Image:GHS-pictogram-exclam.svg Irritant
GHS08: Health hazard GHS08 {{GHS health hazard}} Image:GHS-pictogram-silhouette.svg Health Hazard
GHS09: Environmental hazard GHS09 {{GHS environment}} Image:GHS-pictogram-pollu.svg Environment

See also

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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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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. [2]It is also used as a catalyst in the synthesis of dihydrogen from the reaction between carbon monoxide and water vapour

Safety

Its dust particles may cause irritation. Avoid inhalation and/ or ingestion of dusts. Swallowing larger amounts may cause injury.

References

  1. ^ "Globally Harmonized System of Classification and Labelling of Chemicals" (pdf). 2021. Annex 3: Codification of Statements and Pictograms (pp 268–385).
  2. ^ University of Akron Chemical Database Archived 2012-12-15 at archive.today
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