{{DISPLAYTITLE:C4H10O}} The molecular formula C4H10O may refer to: Butanols n-Butanol sec-Butanol tert-Butanol Isobutanol Ethoxyethane (Diethyl ether) 1-Methoxypropane (methyl propyl ether) 2-Methoxypropane (isopropyl methyl ether)