Bismuth pentafluoride

Bismuth pentafluoride is an inorganic compound with the formula BiF5.

BiF5 is polymeric and consists of linear chains of trans-bridged corner sharing BiF6 octahedra.

It reacts vigorously with water to form ozone and oxygen difluoride, and with iodine or sulfur at room temperature.

BiF5 fluorinates paraffin oil (hydrocarbons) to fluorocarbons above 50 °C and oxidises UF4 to UF6 at 150 °C.

[2] Bismuth pentafluorude in hydrofluoric acid solvent also reacts with nickel fluoride to form the nickel salt of this anion, which can be incorporated into a complex with acetonitrile.

NFPA 704 four-colored diamond Health 4: Very short exposure could cause death or major residual injury. E.g. VX gas Flammability 0: Will not burn. E.g. water Instability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxide Special hazard W+OX: Reacts with water in an unusual or dangerous manner AND is oxidizer