Iridium(IV) iodide
Iridium(IV) iodide is a binary chemical compound of iridium and iodide with the chemical formula IrI
4.[1][2][3]
| Names | |
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| Other names
Iridium(IV) iodide, tetraiodoiridium | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.029.279 |
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| I4Ir | |
| Molar mass | 699.835 g·mol−1 |
| Appearance | Black powder |
| Melting point | 100 °C (212 °F; 373 K) |
| insoluble | |
| Structure | |
| hexagonal | |
| Related compounds | |
Related compounds |
Iridium triiodide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Synthesis
Iridium(IV) iodide can be obtained by reacting dipotassium hexachloroiridate or hexachloroiridic acid with an aqueous solution of potassium iodide.
Physical properties
Iridium tetraiodide forms black crystals, does not dissolve in water and alcohol.[4][5]
Chemical properties
The compound decomposes when heated:
- IrI4 → Ir + 2I2
References
- "CAS 7790-45-6 Iridium tetraiodide - Alfa Chemistry". alfa-chemistry.com. Retrieved 3 May 2023.
- "Iridium tetraiodide". American Elements. Retrieved 3 May 2023.
- Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3507. ISBN 978-0-412-30120-9. Retrieved 3 May 2023.
- Comey, Arthur Messenger (1896). A Dictionary of Chemical Solubilities Inorganic: xx, 515 p. Macmillan & Company. p. 193. Retrieved 3 May 2023.
- Roscoe, Henry Enfield; Schorlemmer, Carl (1895). A Treatise on Chemistry. D. Appleton. p. 445.
- Nobel, Dominique (8 August 1996). "Method for preparing iridium iodides and use thereof as catalysts". Retrieved 3 May 2023.
- "Iridium(IV) iodide". Alfa Aesar. Retrieved 3 May 2023.
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