7783-81-5 EINECS 232-028-6 HSDB 4501 UN2977 UN2978 URANIUM HEXAFLUORIDE Uranium fluoride Uranium fluoride (UF6) Uranium hexafluoride, fissile (with more than 1 U-2335) [UN2977] [Radioactive] Uranium hexafluoride, fissile excepted or non-fissile [UN2978] [Radioactive] Uranyl fluoride