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516996

Sigma-Aldrich

Iridium(IV) chloride hydrate

≥99.9% trace metals basis

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About This Item

Linear Formula:
lrCl4 · xH2O
CAS Number:
Molecular Weight:
334.03 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

≥99.9% trace metals basis

form

crystalline

reaction suitability

reagent type: catalyst
core: iridium

impurities

≤1000 ppm Trace Metal Analysis

mp

>350 °C (lit.)

SMILES string

O.Cl[Ir](Cl)(Cl)Cl

InChI

1S/4ClH.Ir.H2O/h4*1H;;1H2/q;;;;+4;/p-4

InChI key

KVDBPOWBLLYZRG-UHFFFAOYSA-J

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General description

Iridium(IV) chloride hydrate is a black crystallinesolid used as a precursor to synthesize Ir-based catalysts and nanoparticles.

Application

Iridium(IV) chloride hydrate can be used:
  • To fabricate an Ir-decorated graphene electrode for vanadium redox flow batteries.
  • As a precursor to synthesize iridium oxide nanoparticles. These nanoparticles can act as a stable catalyst for the hydrogenation of a series of nitrogen heterocycles.
  • To prepare Ir single atom catalyst (Ir1–Ni(OH)2) for oxygen evolution reaction.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Negin Seifzadeh et al.
Food chemistry, 277, 398-406 (2018-12-07)
Pistachio hull is a substantial source of natural polyphenols, but a substantial volume is being wasted annually. Aqueous pistachio green hull extract (PGHE) was subjected to two-stage membrane process in order to separate a polyphenol rich fraction. The membrane conditions
Preparation and electrochemical activities of iridium-decorated graphene as the electrode for all-vanadium redox flow batteries
Han-Min Tsai, et al.},
Electrochimica Acta, 77, 232-236 (2012)
Naked? iridium (IV) oxide nanoparticles as expedient and robust catalysts for hydrogenation of nitrogen heterocycles: remarkable vicinal substitution effect and recyclability
Yi-Gang Ji, et al.
advanced synthesis and catalysis, 359, 933-940 (2017)
Confining High-Valence Iridium Single Sites onto Nickel Oxyhydroxide for Robust Oxygen Evolution
Qun He, et al.},
Nano Letters, 22, 3832-3839 (2022)

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