1-Azacycloheptane 111-49-9 1H-Azepine, hexahydro- 5-20-04-00003 (Beilstein Handbook Reference) AI3-26610 Azacycloheptane Azepine, hexahydro- BRN 0001084 CP 18407 Cycloheptane, 1-aza- Cyclohexamethylenimine EINECS 203-875-9 G 0 HEXAMETHYLENIMINE HMI HSDB 562 Hexahydro-1H-azepine Hexahydroazepine Hexamethylene imine Hexamethyleneimine Hexamethyleneimine [UN2493] [Flammable liquid] Homopiperidine NSC 16236 Perhydroazepine UN2493