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Methanol carbonylation to acetic acid is catalysed with high rates at low water concentrations using an iridium/iodide based catalyst. Iridium(IV)-iodide mixtures participates in the Investigations in platinum metal group electrochemistry. Rhodium- and iridium-iodide catalysts also promote the carbonylation of higher alcohols to linear or branched chain carboxylic acids.
David M. Stanbury,; Wayne K. Wilmarth,; Shada Khalaf,; Henry N. Po,; James E. Byrd. Oxidation of thiocyanate and iodide by iridium(IV) . Inorg. Chem. 1980, 19(9) ,2715-2722.
Talit Ghaffar,; Jonathan P.H. Charmant,; Glenn J. Sunley,; George E. Morris,; Anthony Haynes,; Peter M. Maitlis. Methane formation during the iridium/iodide catalysed carbonylation of methanol . Inorganic Chemistry Communications. 2000, 3 (1) ,11-12.
Gefahrenhinweise (EU): H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.