C4H8O, CAS Number-109-99-9, oxacyclopentane, tetraidrofurano, 1,4-epoxybutane, furan, tetrahydro, butylene oxide, hydrofuran, tetrahydrofuranne, tetrahydrofuran, furanidine, tetramethylene oxide, 2.5L, 66 deg.C, CHEBI:26911, Colorless, 72.11g/mol, WYURNTSHIVDZCO-UHFFFAOYSA-N, oxolane, -108.4 deg.C