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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
215-150-4
EC name:
Cerium dioxide
CAS number:
1306-38-3
CAS number:
1306-38-3
Synonyms
Names:
Cer(IV)-oxid
Ceric oxide
Cerium (IV) dioxide cerium, dioxo- Dioxocerium
Cerium oxide
Cerium(4+) oxide
Identifier:
EC number
215-150-4
Identifier:
IUPAC name
Cerium (IV) dioxide
Identifier:
IUPAC name
Cerium (IV) oxide
Identifier:
IUPAC name
Cerium Dioxide
Identifier:
IUPAC name
Cerium dioxide
Identifier:
IUPAC name
Cerium oxide
Identifier:
IUPAC name
Cerium(IV) oxide
Identifier:
IUPAC name
Cerium(IV)dioxide
Identifier:
IUPAC name
cerium (IV) oxide
Identifier:
IUPAC name
dioxocerium
Identifier:
IUPAC name
dioxocerium
Identifier:
common name
Ceria
Identifier:
other: SMILES notation
CeO2
Identifier:
other: Molecular formula
CeO2
Identifier:
other: InChl
1/Ce.2O/q+4;2*-2
Identifier:
other: Molecular formula
Ce O2
Identifier:
other: SMILES notation
CeO2
Identifier:
other: SMILES notation
Ce](=O)=O
Identifier:
other: InChl
InChI=1/Ce.2O/q+4;2*-2
Identifier:
other: InChl
InChI=1/Ce.2O/q-1;;
Identifier:
other: InChl
InChI=1S/Ce.2O
Identifier:
other: InChl
InChI=1S/Ce.2O/q+4;2*-2
Identifier:
other: SMILES notation
O=[Ce]=O
Identifier:
other: SMILES notation
[Ce+4].[O--].[O--]
Identifier:
other: SMILES notation
[Ce+4].[O-2].[O-2]
Identifier:
other: SMILES notation
[Ce](=O)=O
Identifier:
other: SMILES notation
[O-2].[O-2].[Ce+4]
Identifier:
other: SMILES notation
[O-2]=[Ce+4]=[O-2]
Identifier:
other: InChl
not avilable

Molecular and structural information

Molecular formula:
CeO2
Molecular weight:
172.14
SMILES notation:
O=[Ce-]=O
InChl:
1/Ce.2O/rCeO2/c2-1-3
Structural formula:
Chemical structure

Related substances

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Identifier:
CAS number
Identity:
12014-56-1
Identifier:
EC number
Identity:
234-599-7
Identifier:
IUPAC name
Identity:
Cerium tetrahydroxide