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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.
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