Ethylene
C₂H₄·28.054 g/mol·Organic·CID 6325
IndustrialPolymer Precursor
The simplest alkene with a C=C double bond and planar geometry. The most produced organic compound globally (~200 million tonnes/year). Precursor to polyethylene, the world's most common plastic. Also a plant hormone that ripens fruit.
IUPAC: ethene
Also known as: Ethene, Acetene, Elayl, Olefiant gas, 74-85-1 (+14 more)
Molecular Structure
Molecular Propertiesmass · H-bonds · stereo
Molecular Weight
28.050g/mol
Exact Mass
28.031300Da
Monoisotopic Mass
28.031300Da
XLogP
1.2
Polar Surface Area
0.0Ų
Complexity
0
Formal Charge
0
H-Bond Donors
0
H-Bond Acceptors
0
Rotatable Bonds
0
Heavy Atoms
2
Stereo Centers
0
Bond Stereo
0
Drug-Likeness (Lipinski's Rule of Five)
✓ 28.1 g/mol
MW ≤ 500
✓ 1.2
LogP ≤ 5
✓ 0
H-bond donors ≤ 5
✓ 0
H-bond acceptors ≤ 10
Passes all rules — good oral bioavailability predicted
GHS Hazard Classification
Danger
Hazards
H220Extremely flammable gasH336May cause drowsiness or dizzinessH280Contains gas under pressure; may explode if heatedH281Contains refrigerated gas; may cause cryogenic burns or injuryH402Harmful to aquatic lifeH412Harmful to aquatic life with long lasting effects
Source: PubChem GHS Classification. Always consult the SDS for handling.
Constituent Elements
Isomers8 compounds with formula C₂H₄
1,1,2,2-tetradeuterioethene
CID 123083 · 32.1 g/mol
1,1,2-trideuterioethene
CID 137677 · 31.1 g/mol
(1,2-13C2)ethene
CID 12242921 · 30.0 g/mol
deuterioethene
CID 137676 · 29.1 g/mol
1,1-dideuterioethene
CID 138825 · 30.1 g/mol
(113C)ethene
CID 12242923 · 29.0 g/mol
1,2-dideuterioethene
CID 16684224 · 30.1 g/mol
(111C)ethene
CID 451270 · 27.1 g/mol