rom ine ▁trif lu or ide ▁( Br F 3 ) ▁is ▁a ▁st raw - col oured ▁liquid . ▁It ▁may ▁be ▁formed ▁by ▁directly ▁flu or in ating ▁b rom ine ▁at ▁room ▁temperature ▁and ▁is ▁pur ified ▁through ▁dist ill ation . ▁It ▁react s ▁explos ively ▁with ▁water ▁and ▁hydro car b ons , ▁but ▁is ▁a ▁less ▁violent ▁flu or in ating ▁re agent ▁than ▁ch lor ine ▁trif lu or ide . ▁It ▁react s ▁vig or ously ▁with ▁bor on , ▁carbon , ▁sil icon , ▁ar sen ic , ▁ant im ony , ▁i od ine , ▁and ▁sul fur ▁to ▁give ▁flu or ides , ▁and ▁also ▁react s ▁with ▁most ▁met als ▁and ▁their ▁ox ides : ▁as ▁such , ▁it ▁is ▁used ▁to ▁ox id ise ▁u ran ium ▁to ▁u ran ium ▁hex a flu or ide ▁in ▁the ▁nuclear ▁industry . ▁Ref ract ory ▁ox ides ▁tend ▁to ▁be ▁only ▁partially ▁flu or in ated , ▁but ▁here ▁the ▁derivatives ▁K Br F 4 ▁and ▁Br F 2 S b F 6 ▁remain ▁re active . ▁B rom ine ▁trif lu or ide ▁is ▁a ▁useful ▁non aque ous ▁ion ising ▁sol vent , ▁since ▁it ▁readily ▁dis soci ates ▁to ▁form ▁ ▁and ▁ ▁and ▁thus ▁conduct s ▁electric ity . ▁ ▁B rom ine ▁p enta flu or ide ▁( Br F 5 ) ▁was ▁first ▁synth es ised ▁in ▁ 1 9 3 0 . ▁It ▁is