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Iridium(IV) iodide

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Iridium(IV) iodide
Names
Other names Iridium(IV) iodide, tetraiodoiridium
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.279 Edit this at Wikidata
EC Number
  • 232-206-3
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/4HI.Ir/h4*1H;/q;;;;+4/p-4Key: BUUWLOZTIYBNKB-UHFFFAOYSA-J
SMILES
  • I(I)(I)I
Properties
Chemical formula I4Ir
Molar mass 699.835 g·mol
Appearance Black powder
Melting point 100 °C (212 °F; 373 K)
Solubility in water insoluble
Structure
Crystal structure hexagonal
Related compounds
Related compounds Iridium triiodide, platinum tetraiodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Iridium(IV) iodide is a binary chemical compound of iridium and iodide with the chemical formula IrI
4.

Preparation

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

Properties

Iridium tetraiodide forms black crystals, does not dissolve in water and alcohol. In alkali metal iodide solutions, the compound dissolves easily to give a ruby red solution, forming complex salts.

The compound decomposes when heated:

IrI4 → Ir + 2I2

Uses

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

References

  1. "CAS 7790-45-6 Iridium tetraiodide - Alfa Chemistry". alfa-chemistry.com. Retrieved 3 May 2023.
  2. "Iridium tetraiodide". American Elements. Retrieved 3 May 2023.
  3. Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3507. ISBN 978-0-412-30120-9. Retrieved 3 May 2023.
  4. "Studies on iridium compounds". discover.dtic.mil. Retrieved 2023-10-16.
  5. ^ Kandiner, H. J. (2013-09-03). Iridium (in German). Springer-Verlag. ISBN 978-3-662-12128-3.
  6. Comey, Arthur Messenger (1896). A Dictionary of Chemical Solubilities Inorganic: xx, 515 p. Macmillan & Company. p. 193. Retrieved 3 May 2023.
  7. Roscoe, Henry Enfield; Schorlemmer, Carl (1895). A Treatise on Chemistry. D. Appleton. p. 445.
  8. ^ "Iridium(IV) iodide". Alfa Aesar. Retrieved 3 May 2023.
  9. Nobel, Dominique (8 August 1996). "Method for preparing iridium iodides and use thereof as catalysts". Retrieved 3 May 2023.
Iridium compounds
Iridium(0)
Iridium(I)
Organoiridium(I)
Iridium(II)
Iridium(III)
Organoiridium(III)
Iridium(IV)
Iridium(V)
Iridium(VI)
Iridium(VII)
Iridium(VIII/IX)
Salts and covalent derivatives of the iodide ion
HI
+H 		He
LiI BeI2 BI3
+BO3 		CI4
+C 		NI3
NH4I
+N 		I2O4
I2O5
I2O6
I4O9 		IF
IF3
IF5
IF7 		Ne
NaI MgI2 AlI
AlI3 		SiI4 PI3
P2I4
+P
PI5 		S2I2 ICl
ICl3 		Ar
KI CaI2 ScI3 TiI2
TiI3
TiI4 		VI2
VI3 		CrI2
CrI3
CrI4 		MnI2 FeI2
FeI3 		CoI2 NiI2
-Ni 		CuI ZnI2 GaI
GaI3 		GeI2
GeI4
+Ge 		AsI3
As2I4
+As 		Se IBr
IBr3 		Kr
RbI
RbI3 		SrI2 YI3 ZrI2
ZrI3
ZrI4 		NbI4
NbI5 		MoI2
MoI3 		TcI3 RuI3 RhI3 PdI2 AgI CdI2 InI
InI3 		SnI2
SnI4 		SbI3
+Sb 		TeI4
+Te 		I
I
3 		Xe
CsI
CsI3 		BaI2   LuI3 HfI3
HfI4 		TaI4
TaI5 		WI2
WI3
WI4 		ReI3
ReI
4 		OsI
OsI2
OsI3 		IrI3
IrI
4 		PtI2
PtI4 		AuI
AuI3 		Hg2I2
HgI2 		TlI
TlI3 		PbI2 BiI3 PoI2
PoI4 		AtI Rn
Fr RaI2   Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
↓
LaI2
LaI3 		CeI2
CeI3 		PrI2
PrI3 		NdI2
NdI3 		PmI3 SmI2
SmI3 		EuI2
EuI3 		GdI2
GdI3 		TbI3 DyI2
DyI
3 		HoI3 ErI3 TmI2
TmI3 		YbI2
YbI3
AcI3 ThI2
ThI3
ThI4 		PaI4
PaI5 		UI3
UI4 		NpI3 PuI3 AmI2
AmI3 		CmI3 BkI
3 		CfI
2
CfI
3 		EsI2
EsI3 		Fm Md No
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