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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
200-849-9
EC name:
Ethylene oxide
CAS number:
75-21-8
CAS number:
75-21-8
Synonyms
Names:
1,2-Epoxyethane
EO
Ethylene oxide
Methyloxirane 1,2-epoxyethane Anprolene Dihydrooxirene Epoxyethane Ethene oxide
Oxirane
Oxirane, methyl-
dimethylene oxide
epoxyethane
oxacyclopropane
oxirane
Identifier:
EC number
200-849-9
Identifier:
IUPAC name
Ethylene oxide
Identifier:
IUPAC name
ETHYLENE OXIDE
Identifier:
IUPAC name
Ethylene Oxide
Identifier:
IUPAC name
Ethylene oxide
Identifier:
IUPAC name
Oxirane
Identifier:
IUPAC name
Oxirane
Identifier:
IUPAC name
ethene oxide
Identifier:
IUPAC name
ethylene oxide
Identifier:
other: InChl
1/C2H4O/c1-2-3-1/h1-2H2
Identifier:
other: InChl
1S/C2H4O/c1-2-3-1/h1-2H2
Identifier:
other: SMILES notation
C1CO1
Identifier:
other: InChl
InChI=1/C2H4O/c1-2-3-1/h1-2H2
Identifier:
other: InChl
InChI=1S/C2H4O/c1-2-3-1/h1-2H2
Identifier:
other: SMILES notation
O1CC1
oxirane

Molecular and structural information

Molecular formula:
C2H4O
Molecular weight:
44.053
SMILES notation:
C1CO1
InChl:
InChI=1/C2H4O/c1-2-3-1/h1-2H2
Structural formula:
Chemical structure

Related substances

Identifier:
CAS number
Identity:
75-21-8