Synonyms: 2,4-Pentanedione,1,1,1,5,5,5-hexafluoro-, cobalt deriv. (6CI); Cobalt, bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)-(7CI,8CI); Cobalt, bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-O,O')-,(T-4)-; Cobalt, bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-kO,kO')-, (T-4)- (9CI);Bis(1,1,1,5,5,5-hexafluoroacetylacetonato)cobalt; Bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato-O,O')cobalt(II);Bis(hexafluoroacetylacetonato)cobalt; Bis(hexafluoroacetylacetonato)cobalt(II);Cobalt bis(hexafluoroacetylacetonate); Cobalt(II) hexafluoroacetylacetonate