Iridium (IV) iodide

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General
Surname Iridium (IV) iodide
other names

Iridium tetraiodide

Molecular formula IrI 4
Brief description

black solid

External identifiers / databases
CAS number 7790-45-6
EC number 232-206-3
ECHA InfoCard 100.029.279
PubChem 25113453
Wikidata Q4202656
properties
Molar mass 699.82 g mol −1
Physical state

firmly

Melting point

100 ° C (decomposition)

solubility

practically insoluble in water and ethanol

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 315-319-335
P: 261-280-305 + 351 + 338-304 + 340-405-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Iridium (IV) iodide is an inorganic chemical compound of iridium from the group of iodides .

Extraction and presentation

Iridium (IV) iodide can be obtained by reacting dipotassium hexachloroiridate or hexachloroiridic acid with an aqueous solution of potassium iodide .

properties

Iridium (IV) iodide is a black solid that is practically insoluble in water and ethanol. In alkali iodide solutions, the compound easily dissolves to a ruby ​​red solution with the formation of complex salts.

use

Iridium (IV) iodide can be used as a catalyst in organic chemistry.

Individual evidence

  1. a b c d e f g h data sheet Iridium (IV) iodide, Premion®, 99.95% (metals basis), Ir 27.0% min from AlfaAesar, accessed on February 15, 2018 ( PDF )(JavaScript required) .
  2. a b H. J. Kandiner: Iridium . Springer-Verlag, 2013, ISBN 978-3-662-12128-3 ( limited preview in Google book search).
  3. Lamberto MALATESTA: STUDIES ON IRIDIUM COMPOUNDS , 1961
  4. Google Patents: WO1996023730A1 - Method for preparing iridium iodides and use thereof as catalysts - Google Patents , accessed February 15, 2018