Article · Wikipedia archive · Last revised Jul 11, 2026

C2H4O

The molecular formula C2H4O may refer to:Acetaldehyde (ethanal) Ethenol Ethylene oxide

Last revised

Jul 11, 2026

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Related molecular formulas
	C₂H₆O
CH₂O	C₂H₄O	C₃H₆O
	C₂H₂O
C₂H₄		C₂H₄O₂

The molecular formula C₂H₄O (molar mass: 44.05 g/mol, exact mass: 44.0262 u) may refer to:

Acetaldehyde (ethanal)
Ethenol (vinyl alcohol)
Ethylene oxide (epoxyethane, oxirane)