Osmium(IV) fluoride

Osmium(IV) fluoride is an inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF4.

Synthesis
Passing fluorine over heated osmium at 280 °C:
 * Os + 2F2 -> OsF4

Reaction products can be contaminated with other osmium fluorides.

Physical properties
Osmium(IV) fluoride compound forms yellow hygroscopic crystals.

Chemical properties
Osmium(IV) fluoride reacts with water.


 * OsF4 + 2H2O -> OsO2 + 4HF