Perbromyl fluoride

Perbromyl fluoride is an inorganic compound of bromine, fluorine, and oxygen with the chemical formula BrO3F.

Synthesis
Synthesis if perbromyl fluoride is by the effect of antimony pentafluoride on a solution of potassium perbromate in hydrofluoric acid:
 * KBrO4 + 2SbF5 + 3HF -> BrO3F + K[SbF6] + H[SbF6]•H2O

Physical properties
Perbromyl fluoride forms a colorless gas that is stable in the absence of moisture.

Chemical properties
Perbromyl fluoride reacts with water:
 * BrO3F + H2O -> HBrO4 + HF