Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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EC number: 200-849-9 | CAS number: 75-21-8
Substance identity
Identification
- Display Name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- organic
Substance Identifiers open all close all
Oxirane
(IUPAC name)
Compositions
Boundary Composition(s) open all close all
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Legal Entity Composition(s) open all close all
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: not relevant, as the substance is a monomer imported via finished products
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: gaseous
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: not relevant, as the substance is a monomer imported via finished products
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: not relevant, as the substance is a monomer imported via finished products
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: monomer of polymer imported
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: polymer form
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- other: Imported as polymer
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Impurity
| Impurity |
- Degree of purity:
- >= 99.94 - <= 99.99 % (w/w)
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Impurity 1
- Reference substance name:
- Acetaldehyde
- EC Number:
- 200-836-8
- EC Name:
- Acetaldehyde
- CAS Number:
- 75-07-0
- Molecular formula:
- C2H4O
- IUPAC Name:
- acetaldehyde
Impurity 2
- Reference substance name:
- Acetic acid
- EC Number:
- 200-580-7
- EC Name:
- Acetic acid
- CAS Number:
- 64-19-7
- Molecular formula:
- C2H4O2
- IUPAC Name:
- acetic acid
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
- State Form:
- gas
Constituent 1
- Reference substance name:
- Ethylene oxide
- EC Number:
- 200-849-9
- EC Name:
- Ethylene oxide
- CAS Number:
- 75-21-8
- Molecular formula:
- C2H4O
- IUPAC Name:
- oxirane
Composition(s) generated upon use
Other types of composition(s)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
