Chromium(IV) fluoride is an

inorganic compound An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds⁠that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as ''inorganic chemistry''. Inorgan ...

with the

chemical formula A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as pare ...

CrF₄. It has a dark greenish-black color when solid. It rapidly

hydrolyzes Hydrolysis (; ) is any chemical reaction in which a molecule of water breaks one or more chemical bonds. The term is used broadly for substitution reaction, substitution, elimination reaction, elimination, and solvation reactions in which water ...

in presence of moisture in air or directly in water.

Synthesis

Powdered

chromium Chromium is a chemical element; it has Symbol (chemistry), symbol Cr and atomic number 24. It is the first element in Group 6 element, group 6. It is a steely-grey, Luster (mineralogy), lustrous, hard, and brittle transition metal. Chromium ...

or CrCl₃ is exposed to

fluorine Fluorine is a chemical element; it has Chemical symbol, symbol F and atomic number 9. It is the lightest halogen and exists at Standard temperature and pressure, standard conditions as pale yellow Diatomic molecule, diatomic gas. Fluorine is extre ...

gas at a temperature of 350-500 °C, which creates a mix of CrF₄ and CrF₅. The CrF₄ settles out as varnish-like brown beads upon cooling.

Reactions

Chromium(IV) fluoride is easily reduced. It will react with water: :

References

Chromium–halogen compounds Fluorides Metal halides Chromium(IV) compounds {{Inorganic-compound-stub