Cerium(IV) fluoride
# Cerium(IV) fluoride

Cerium(IV) fluoride is an inorganic compound with a chemical formula $CeF_4.$ It is a strong oxidant that appears as a white crystalline material. Cerium(IV) fluoride has an anhydrous form and a monohydrate form.

## Production and properties

Cerium(IV) fluoride can be produced by fluorinating cerium(III) fluoride or cerium dioxide with fluorine gas at 500 °C

    $\mathrm {2\ CeF_{3}+F_{2}\longrightarrow 2\ CeF_{4}}$
    $\mathrm {CeO_{2}+2\ F_{2}\longrightarrow CeF_{4}+O_{2}}$

Its hydrated form $(CeF_4·xH_2O,$ x≤1) can be produced by reacting 40% hydrofluoric acid and cerium(IV) sulfate solution at 90°C.

Cerium(IV) fluoride can dissolve in DMSO, and react to form the coordination complex $[CeF_4(DMSO)_2].$

