Chromium(II) Fluoride (CrF2)-Powder

Characteristic

 

Chromium(II) fluoride is an inorganic compound with the formula CrF₂. It exists as a blue-green iridescent solid. Chromium(II) fluoride is sparingly soluble in water, almost insoluble in alcohol, and is soluble in boiling hydrochloric acid, but is not attacked by hot distilled sulfuric acid or nitric acid. Like other chromous compounds, chromium(II) fluoride is oxidized to chromium(III) oxide in air.

Chemical formula: CrF₂

Molar mass: 89.9929 g•mol⁻¹

Appearance: blue-green iridescent crystals ,hygroscopic, turns to Cr₂O₃ when heated in air

Density: 3.79 g/cm³

Melting point: 894 °C (1,641 °F; 1,167 K)

Boiling point:  > 1,300 °C (2,370 °F; 1,570 K)

Solubility in water: 76.7 g/100 mL

 

Application

 

Chromium(II) fluoride is used in chrome plating.