CAS: 106-88-7 Molecular Formula: C4H8O Molecular Weight (g/mol): 72.107 InChI Key: RBACIKXCRWGCBB-UHFFFAOYSA-N Synonym: 1,2-epoxybutane,1,2-butylene oxide,oxirane, ethyl,ethyloxirane,1,2-butene oxide,ethylethylene oxide,1-butene oxide,oxirane, 2-ethyl,butane, epoxy,1-butylene oxide PubChem CID: 7834 ChEBI: CHEBI:82326 IUPAC Name: 2-ethyloxirane SMILES: CCC1CO1