Iridium tetrabromide
| Names | |
|---|---|
| Other names
Iridium(IV) bromide, tetrabromoiridium
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.029.255 |
| EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| Br4Ir | |
| Molar mass | 511.833 g·mol−1 |
| Appearance | black crystalline solid |
| soluble | |
| Related compounds | |
Related compounds
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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).
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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
[edit]Synthesis of iridium tetrabromide can be by solution of iridium(IV) oxide in hydrobromic acid:
- IrO2 + 4HBr → IrBr4 + 2H2O
Physical properties
[edit]Iridium tetrabromide compound forms black crystals, soluble in water and alcohol.[4][5]
Chemical properties
[edit]Iridium tetrabromide reacts with water:
- IrBr4 + 4H2O → Ir(OH)4 + 4HBr
Iridium tetrabromide decomposes when heated:
- IrBr4 → Ir + 2Br2
References
[edit]- ^ Roscoe, Henry Enfield; Schorlemmer, Carl (1895). A Treatise on Chemistry. D. Appleton. p. 445. Retrieved 5 May 2023.
- ^ "WebElements Periodic Table » Iridium » iridium tetrabromide". webelements.com. Retrieved 5 May 2023.
- ^ "Iridium(IV) Bromide". American Elements. Retrieved 5 May 2023.
- ^ Comey, Arthur Messinger (1896). A Dictionary of chemical solubilities. Macmillan and Company. p. 192. Retrieved 5 May 2023.
- ^ 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.
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