C3H8O2

The molecular formula C3H8O2 may refer to:


 * Dimethoxymethane
 * 2-Methoxyethanol
 * Propanediol
 * 1,2-Propanediol (propylene glycol), a vicinal diol
 * 1,3-Propanediol (trimethylene glycol)
 * 1,1-Propanediol (geminal diol)
 * 2,2-Propanediol (geminal diol)