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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
chromium(3+) iron(3+) trioxidandiide

Inventory

EC number:
235-790-8
EC name:
Chromium iron oxide
CAS number:
12737-27-8
CAS number:
12737-27-8
Synonyms
Names:
Identifier:
IUPAC name
Chromium iron oxide
Identifier:
Colour Index
C.I. 77500. Pigment Brown 29
Identifier:
other: Molecular formula
(Fe, Cr)2O3
Identifier:
other: Molecular formula
(Fe,Cr)2 O3
Identifier:
other:
Chromium iron hematite
Identifier:
other: Molecular formula
Fe(x)Cr(2-x)O3
Identifier:
other: Molecular formula
Fe(x)Cr(2-x)O3 0.65≤x≤1.75
Chromium iron hematite

Molecular and structural information

Molecular formula:
Fe(x)Cr(2-x)O3 0,65≤x≤1,75
Molecular weight:
ca. 157
SMILES notation:
[Cr+3].[Fe+3].[O-2].[O-2].[O-2]
InChl:
InChI=1/Cr.Fe.3O/q2*+3;3*-2
Structural formula:
Chemical structure

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