1,4-Epoxybutane 109-99-9 77392-70-2 AI3-07570 Agrisynth THF Butane, 1,4-epoxy- Butane, alpha,delta-oxide Butylene oxide CCRIS 6276 Cyclotetramethylene oxide Diethylene oxide EINECS 203-726-8 Furan, tetrahydro- Furanidine HSDB 125 Hydrofuran NCI-C60560 NSC 57858 Oxacyclopentane Oxolane RCRA waste no. U213 RCRA waste number U213 TETRAHYDROFURAN THF Tetrahydrofuraan [Dutch] Tetrahydrofuran [UN2056] [Flammable liquid] Tetrahydrofuranne [French] Tetraidrofurano [Italian] Tetramethylene oxide UN2056