C2H4O2
# C2H4O2

$C_2H_4O_2$ may refer to:

Compounds sharing the molecular formula:

* Acetic acid
* Dihydroxyethene isomers:
   * 1,1-Dihydroxyethene
   * (E)-1,2-Dihydroxyethene
   * (Z)-1,2-Dihydroxyethene
* Dioxetane isomers:
   * 1,2-Dioxetane
   * 1,3-Dioxetane
* Glycolaldehyde
* Methyldioxirane
* Methyl formate
* Oxiranol
