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Ammonium hexachloroiridate(IV)

Catalog Number
ACM16940924-4
Product Name
Ammonium hexachloroiridate(IV)
Structure
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CAS
16940-92-4
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Synonyms
Ammonium chloroiride
IUPAC Name
Diazanium;hexachloroiridium(2-)
Molecular Weight
441
Molecular Formula
Cl6H8IrN2;
Canonical SMILES
[NH4+].[NH4+].Cl[Ir-2](Cl)(Cl)(Cl)(Cl)Cl
InChI
InChI=1S/6ClH.Ir.2H3N/h6*1H;2*1H3/q;+4;/p-4
InChI Key
LWNOUTCTZQNGEN-UHFFFAOYSA-J
Purity
99%+
Density
2.86 g/mL at 25 °C (lit.)
Solubility
Slightly soluble in water
Appearance
Red-black crystalline powder
Storage
Under inert gas (nitrogen or Argon) at 2-8 °C
Complexity
62.7
Covalently-Bonded Unit Count
3
EC Number
241-007-0
Exact Mass
440.84184
H-Bond Acceptor
1
H-Bond Donor
2
Heavy Atom Count
9
Monoisotopic Mass
438.84479
Topological Polar Surface Area
2 Ų
Application
Ammonium hexachloroiridate(IV) serves as an essential reagent in research, primarily utilized for hydrogen production catalysis and as a crucial intermediate in extracting iridium from ores. It is distinct in its resistance to ligand substitution, as most metals form insoluble sulfides when their chloride solutions are exposed to hydrogen sulfide, but [IrCl6]2? does not. When heated with hydrogen, ammonium hexachloroiridate transforms into metallic iridium, releasing hydrochloric acid and ammonia in the process, thereby facilitating the generation of iridium complexes.
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