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Iridium tetrabromide

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Iridium tetrabromide
Names
Other names
Iridium(IV) bromide, tetrabromoiridium
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.255 Edit this at Wikidata
EC Number
  • 232-180-3
  • InChI=1S/4BrH.Ir/h4*1H;/q;;;;+4/p-4
    Key: IYWTUWKWQJIZPO-UHFFFAOYSA-J
  • Br[Ir](Br)(Br)Br
Properties
Br4Ir
Molar mass 511.833 g·mol−1
Appearance black crystalline solid
soluble
Related compounds
Related compounds
Osmium tetrabromide
Hazards
GHS labelling:
Warning
H315, H319, H335
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Iridium tetrabromide is a binary inorganic chemical compound of iridium and bromine with the chemical formula IrBr4.[1][2][3] This is a salt of iridium metal and hydrobromic acid.

Synthesis

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Synthesis of iridium tetrabromide can be by solution of iridium(IV) oxide in hydrobromic acid:

IrO2 + 4HBr → IrBr4 + 2H2O

Physical properties

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Iridium tetrabromide compound forms black crystals, soluble in water and alcohol.[4][5]

Chemical properties

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Iridium tetrabromide reacts with water:

IrBr4 + 4H2O → Ir(OH)4 + 4HBr

Iridium tetrabromide decomposes when heated:

IrBr4 → Ir + 2Br2

References

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  1. ^ Roscoe, Henry Enfield; Schorlemmer, Carl (1895). A Treatise on Chemistry. D. Appleton. p. 445. Retrieved 5 May 2023.
  2. ^ "WebElements Periodic Table » Iridium » iridium tetrabromide". webelements.com. Retrieved 5 May 2023.
  3. ^ "Iridium(IV) Bromide". American Elements. Retrieved 5 May 2023.
  4. ^ Comey, Arthur Messinger (1896). A Dictionary of chemical solubilities. Macmillan and Company. p. 192. Retrieved 5 May 2023.
  5. ^ Holloway, Michael D.; Holloway, Emma (15 December 2020). Dictionary of Industrial Terminology. John Wiley & Sons. p. 623. ISBN 978-1-119-36344-6. Retrieved 5 May 2023.