Iron oxychloride

 ( Chlorides ) 

Iron oxychloride is the inorganic compound with the formula FeOCl. This purple solid adopts a layered structure, akin to that of cadmium chloride. The material slowly Hydrolysis in moist air. The solid intercalates such as tetrathiafulvalene and even pyridine to give mixed valence charge-transfer salts. Intercalation is accompanied by a marked increase in electrical conductivity and a color change to black.

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Production FeOCl is prepared by heating iron(III) oxide with ferric chloride at over the course of several days:

Fe₂O₃ + FeCl₃ → 3 FeOCl

Alternatively, FeOCl may be prepared by the thermal decomposition of FeCl₃⋅6H₂O at over the course of one hour:

FeCl₃ ⋅ 6H₂O → FeOCl + 5 H₂O + 2 HCl

Categories: Chlorides, Iron Compounds, Metal Halides, Oxychlorides

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