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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
Iron (III) oxide

Inventory

EC number:
215-275-4
EC name:
Hematite (Fe2O3)
CAS number:
1317-60-8
CAS number:
1317-60-8
Synonyms
Names:
Kidney Ore
Martite
Specularite
Identifier:
IUPAC name
Hematite
Identifier:
IUPAC name
Hematite (Fe2O3)
Identifier:
IUPAC name
Iron(III) oxide
Identifier:
IUPAC name
Iron(iii) oxide
Identifier:
IUPAC name
hematite
Identifier:
IUPAC name
iron (III) oxide
Identifier:
IUPAC name
iron(3+);oxygen(2-)
Identifier:
other: InChl
1/2Fe.3O/rFe2O3/c3-1-4-2(3)5-1
Identifier:
other: InChl
1/2Fe.3O/rFe2O3/c3-1-4-2(3)5-1
Identifier:
other: Molecular formula
Fe2O3, α-Fe2O3 (more precise: Fe(III)O)
Identifier:
other: InChl
InChI=1/2Fe.3O/q2*+2;3*-2
Identifier:
other: InChl
InChI=1S/2Fe.3O/q2*+3;3*-2
Identifier:
other: SMILES notation
Not available (mineral)
Identifier:
other: InChl
Not available (mineral)
Identifier:
other: SMILES notation
O1[Fe]2O[Fe]1O2
Identifier:
other: SMILES notation
O=[Fe]O[Fe]=O
Identifier:
other: SMILES notation
[Fe+2].[Fe+2].[O-2].[O-2].[O-2]
Identifier:
other: SMILES notation
[Fe+3].[Fe+3].[O-2].[O-2].[O-2]
Identifier:
other: SMILES notation
[Fe+3].[Fe+3].[O-2].[O-2].[O-2]
Identifier:
other: SMILES notation
[O-2].[O-2].[O-2].[Fe+3].[Fe+3]
Identifier:
other: SMILES notation
not available (mineral)
Identifier:
other: Molecular formula
α-Fe2O3
Identifier:
other: Molecular formula
γ-Fe2O3

Molecular and structural information

Molecular formula:
Fe2O3
Molecular weight:
159.688
SMILES notation:
not available (mineral)
InChl:
not available (mineral)
Structural formula:
Chemical structure

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