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Ethylene Oxide

CAS: 75-21-8 | C2H4O

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 75-21-8
Molecular Formula: C2H4O
Molecular Weight: 44.053 g/mol

Names and Synonyms:

Ethylene Oxide
Oxane
Oxyfume 2002
Mirror Ox
12/88
Ciba-Geigy 9138
Ethene oxide
Epoxyethane
Oxyfume
Oxyfume 12
T-Gas
Oxirene, dihydro-
Oxidoethane
Oxacyclopropane
ETO
1,2-Epoxyethane
Dimethylene oxide
Dihydrooxirene
Ethyleneoxy
Ethylene oxide
Oxirane

Identifiers:

SMILES:
C1CO1
InChI:
InChI=1S/C2H4O/c1-2-3-1/h1-2H2

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Molecular

Property Value Source
Molecular Weight 44.053 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 44.026214748 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 3 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 1 count RDKit
Hydrogen Bond Donors 0 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 0 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 12.53 Ų RDKit

Physical Properties

Property Value Source
LogP 0.016600000000000004 RDKit
molecular_mass 44.05 g/mol Legacy Database
density 0.88 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Ethylene_oxide None Legacy Database
cas-boiling-point 10.7 °C @ Press: 760 Torr None Legacy Database
cas-canonical-smile O1CC1 None Legacy Database
cas-density 0.882 g/cm3 @ Temp: 10 °C None Legacy Database
cas-inchi InChI=1S/C2H4O/c1-2-3-1/h1-2H2 None Legacy Database
cas-inchi-key InChIKey=IAYPIBMASNFSPL-UHFFFAOYSA-N None Legacy Database
cas-melting-point -111 °C None Legacy Database
cas-name Ethylene oxide None Legacy Database
wikipedia-name Ethylene oxide None Legacy Database

Molar

Property Value Source
Molar Refractivity 10.819 RDKit

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