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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
231-157-5
EC name:
Chromium
CAS number:
7440-47-3
CAS number:
7440-47-3
Synonyms
Names:
Chromium
Chromium
Identifier:
CAS number
7440-47-3
Identifier:
CAS number
7440-47-3
Identifier:
CAS number
7440-47-3
Identifier:
EC name
Chromium
Identifier:
EC number
231-157-5
Identifier:
IUPAC name
Chromium
Identifier:
IUPAC name
chromium
Identifier:
IUPAC name
chromium
Identifier:
IUPAC name
chromium(2+)
Identifier:
common name
chromium(III)
Identifier:
other: InChl
1/Cr/q+2
Identifier:
other: SMILES notation
Cr
Identifier:
other: InChl
Cr
Identifier:
other: InChl
InChI=1/Cr
Identifier:
other: InChl
InChI=1/Cr/q+2
Identifier:
other: InChl
InChI=1/SCr
Identifier:
other: InChl
InChI=1S/Cr
Identifier:
other: InChl
InChI=1S/Cr
Identifier:
other: InChl
InChI=1S/Cr
Identifier:
other: InChl
InChI=1S/Cr AuxInfo=1/0/N:1/rA:1Cr/rB:/rC:;
Identifier:
other: InChl
InChl=1/Cr
Identifier:
other: InChl
InChl=1/Cr/q+2
Identifier:
other: SMILES notation
O=[Cr]O[Cr]=O
Identifier:
other: SMILES notation
[Cr]
Identifier:
other: SMILES notation
see reference substance
chromium

Molecular and structural information

Molecular formula:
Cr
Molecular weight:
51.995
SMILES notation:
[Cr]
InChl:
1S/Cr
Structural formula:
Chemical structure

Related substances

Identifier:
CAS number
Identity:
7440-47-3