C4H8O2

The molecular formula C₄H₈O₂ may refer to:

• Acetoin
• cis-Butene-1,4-diol
• Butyric acid
• Dioxanes
  • 1,2-Dioxane
  • 1,3-Dioxane
  • 1,4-Dioxane
• Ethyl acetate
• 3-Hydroxybutanal
• γ-Hydroxybutyraldehyde
• 3-Hydroxytetrahydrofuran
• Isobutyric acid
• Methyl propanoate
• Propyl formate
• Isopropyl formate