Iridium tetrabromide
Names
|
Other names
Iridium(IV) bromide, tetrabromoiridium
|
Identifiers
|
|
|
|
|
ChemSpider
|
|
ECHA InfoCard
|
100.029.255
|
EC Number
|
|
|
|
|
|
InChI=1S/4BrH.Ir/h4*1H;/q;;;;+4/p-4 Key: IYWTUWKWQJIZPO-UHFFFAOYSA-J
|
|
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).
|
Chemical compound
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
Synthesis of iridium tetrabromide can be by solution of iridium(IV) oxide in hydrobromic acid:
- IrO2 + 4HBr → IrBr4 + 2H2O
Physical properties
Iridium tetrabromide compound forms black crystals, soluble in water and alcohol.[4][5]
Chemical properties
Iridium tetrabromide reacts with water:
- IrBr4 + 4H2O → Ir(OH)4 + 4HBr
Iridium tetrabromide decomposes when heated:
- IrBr4 → Ir + 2Br2
References
|
---|
Iridium(0) | |
---|
Iridium(I) | |
---|
Iridium(II) | |
---|
Iridium(III) |
|
---|
Iridium(IV) | |
---|
Iridium(V) | |
---|
Iridium(VI) | |
---|
Iridium(VII) | |
---|
Iridium(VIII/IX) | |
---|
Salts and covalent derivatives of the bromide ion |
---|
|