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Iridium(III) iodide is an iodide of iridium, with the chemical formula of IrI3.

Preparation

Iridium(III) iodide can be obtained by reducing iridium(IV) iodide with hydrogen at 210 °C.[2] It can also be formed by the reaction of iridium dioxide[3] or iridium(III) hydroxide with hydrogen iodide.[4]

Chemical properties

Iridium(III) iodide is a dark brown solid that is insoluble in water.[1] It is monoclinic like chromium trichloride.[5][6] Its trihydrate is yellow and can be dehydrated into the dihydrate or anhydrous form on heating. Iridium(III) iodide also has a monohydrate.[3][7]

References

  1. ^ a b c d Dale L. Perry (2016). Handbook of Inorganic Compounds, Second Edition. CRC Press. p. 523. ISBN 978-1-4398-1462-8.
  2. ^ Malatesia, Lamberto (March 31, 1961). PART I - STUDIES ON RHENIUM COORDINATION COMPOUNDS: HEXAISOCYANIDERHENIUM(I) SALTS; PART il - STUDIES ON IRIDIUM COMPOUNDS: ISOCYANIDE DERIVATIVES OF IRIDIUM, CARBONYL DERIVATIVES OF IRIDIUM IODIDES (PDF) (Report). Archived from the original (PDF) on 2018-10-30.
  3. ^ a b William Pettit Griffith (1967). The chemistry of the rarer platinum metals (Os, Ru, Ir, and Rh). Interscience Publishers. p. 241.
  4. ^ Raymond Eller Kirk; Donald Frederick Othmer; Herman Francis Mark (1963–1970). WHICH VOLUME?. Encyclopedia of Chemical Technology: Editorial board: Herman F. Mark, chairman, John J. McKetta, Jr. [and] Donald F. Othmer. Interscience Publishers. p. 871. OCLC 2519460.[full citation needed]
  5. ^ R. Blachnik (2013). Taschenbuch für Chemiker und Physiker Band 3: Elemente, anorganische Verbindungen und Materialien, Minerale. Springer-Verlag. p. 494. ISBN 978-3-642-58842-6.
  6. ^ Brodersen, K. (February 1968). "Structure of β-RuCl3, RuI3, IrBr3, and IrI3". Angewandte Chemie International Edition in English. 7 (2): 148. doi:10.1002/anie.196801481. ISSN 0570-0833.
  7. ^ H. J. Kandiner (2013). Iridium. Springer-Verlag. ISBN 978-3-662-12128-3.
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