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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:
207399-11-9
Molecular Weight:
334.03 (anhydrous basis)
EC Number:
233-048-8
MDL number:
MFCD00150243
UNSPSC Code:
12352302
PubChem Substance ID:
24873912
NACRES:
NA.23

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
GHS07

Signal Word

Warning

Hazard Statements

H302,H315,H319,H335

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Confining High-Valence Iridium Single Sites onto Nickel Oxyhydroxide for Robust Oxygen Evolution
Qun He, et al.},
Nano Letters, 22, 3832-3839 (2022)
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)

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