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Names | |
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IUPAC name
Chromium(III) iodide
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Other names
Chromium triiodide, chromic iodide
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.033.614 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
CrI3 | |
Molar mass | 432.7095 g·mol−1 |
Appearance | black solid |
Density | 5.32 g/cm3[1] |
Melting point | > 600 °C (1,112 °F; 873 K) |
Soluble | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chromium(III) iodide, also known as chromium triiodide, is an inorganic compound with the formula CrI3. It is a black solid that is used to prepare other chromium iodides.[2]
Like the isomorphous chromium(III) chloride (CrCl3), chromium(III) iodide exhibits a cubic-closest packing arrangement in a double-layer crystal lattice. In this structure, chromium exhibits octahedral coordination geometry.[3]
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