Article · Wikipedia archive · Last revised Jun 15, 2026

CH2O2

The molecular formula CH2O2 (molar mass: 46.03 g/mol) may refer to:Dihydroxymethylidene Dioxirane, an unstable cyclic peroxide Formic acid, an organic acid Methylenedioxy, a functional group

Last revised

Jun 15, 2026

Read time

≈ 1 min

Length

36 w

Citations

—

Source

Related molecular formulas
	CH₄O₂
O₂	CH₂O₂	C₂H₄O₂
	CO₂
CH₂O		CH₂O₃

The molecular formula CH₂O₂ (molar mass: 46.03 g/mol) may refer to:

Dihydroxymethylidene
Dioxirane, an unstable cyclic peroxide
Formic acid, an organic acid
Methylenedioxy, a functional group