File:Ethylene_oxide.svg · Wikimedia Commons · See Wikimedia Commons
ethylene oxide
Sign in to saveAlso known as Dimethylene oxide, 1,2-Epoxy ethane, Oxirane, ethene oxide, epoxyethane, Anprolene, 1,2-epoxyethane, Oxyfume
chemical compound
OverviewAI-generated
Ethylene oxide, also identified by the IUPAC name oxirane, is a chemical compound with the formula C₂H₄O. It has a molecular mass of 44.026 and a canonical SMILES representation of C1CO1. The substance exhibits a density of 0.82 and a refractive index of 1.35965. Its physical properties include a melting point of -171 or -111.7, a boiling point of 51, and a vapor pressure of 1.46. The standard enthalpy of formation is -51.04, while the ionization energy is 10.57.
Safety data indicates a flash point of -20. The lower flammable limit is 3, and the upper flammable limit is 100. Exposure limits are defined by a time-weighted average of 1.8 and a ceiling limit of 9. The immediately dangerous to life or health concentration is 1440. The compound has an electric dipole moment of 1.89. In terms of molecular structure, it has zero hydrogen bond donors, one hydrogen bond acceptor, a topological polar surface area of 12.5, and an xlogp value of -0.1.
Synthesized by Vinony from 33 facts across 4 sources: Wikidata, PubMed, PubChem, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
In the Vinony graph
Within Vinony's link graph, ethylene oxide is referenced by 496 other articles, and connects out to mutagen, aluminium oxide and diethyl ether.
It sits within the topics Biocides, Chembox having GHS data and Chembox image size set.
Its subject is documented across 48 Wikipedia language editions.
Chemical data
- Formula
- C2H4O
- Molecular weight
- 44.05 g/mol
- IUPAC name
- oxirane
- SMILES
- C1CO1
- InChIKey
- IAYPIBMASNFSPL-UHFFFAOYSA-N
- XLogP
- -0.1
- Polar surface area
- 12.5 Ų
- H-bond donors
- 0
- H-bond acceptors
- 1
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Molecule type
- Small molecule
via ChEMBL · EBI
Research
13,771 papersvia PubMed
Wikidata facts
- Has part
- hydrogen
- Mass
- 44.026
- Image
- Ethylene oxide refrigerated liquid.jpg
Show 19 more facts
- ionization energy
- 10.57
- flash point
- -20
- found in taxon
- Terminalia chebula
- canonical SMILES
- C1CO1
- chemical formula
- C₂H₄O
- lower flammable limit
- 3
- upper flammable limit
- 100
- Commons category
- Ethylene oxide
- NIOSH Pocket Guide ID
- 0275
- density
- 0.82
- immediately dangerous to life or health
- 1440
- melting point
- -111.7
- boiling point
- 10.6
- vapor pressure
- 1.46
- time-weighted average exposure limit
- 1.8
- ceiling exposure limit
- 9
- standard enthalpy of formation
- -51.04
- refractive index
- 1.35965
- electric dipole moment
- 1.89
via Wikidata · CC0
~40 min read
Encyclopedic overview
Names
Preferred IUPAC name Oxirane
Excerpted from Wikipedia’s “ethylene oxide” article, available under the CC BY-SA 4.0 licence.