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203491

Sigma-Aldrich

Iridium(III) chloride hydrate

99.9% trace metals basis

Synonym(s):

Iridium trichloride hydrate

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About This Item

Linear Formula:
IrCl3 · xH2O
CAS Number:
14996-61-3
Molecular Weight:
298.58 (anhydrous basis)
EC Number:
233-044-6
MDL number:
MFCD00149749
UNSPSC Code:
12352302
PubChem Substance ID:
24852176
NACRES:
NA.23

Assay

99.9% trace metals basis

form

crystals and lumps

reaction suitability

reagent type: catalyst
core: iridium

impurities

≤1500.0 ppm Trace Metal Analysis

density

5.3 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/3ClH.Ir.H2O/h3*1H;;1H2/q;;;+3;/p-3

InChI key

MJRFDVWKTFJAPF-UHFFFAOYSA-K

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General description

Iridium(III) chloride hydrate is a dark green to black hygroscopic solid that is widely used as a Ir source/precursor to synthesize Ir nanoparticle and battery materials.

Application

Iridium(III) chloride hydrate can be used:
  • As a precursor to synthesize IrO2 nanofibrous catalyst for oxygen evolution reaction.
  • As a starting material to prepare Ir complex that acts as an additive to hole transport layer in perovskite solar cells. This Ir complex helps to reduce recombination rate and enhances the stability of solar cells.
  • To fabricate thin and highly active IrO2 anodes for proton exchange membrane electrolyzer cells (PEMECs).
  • As a precursor to synthesize ionic Ir metal complexes for efficient flexible green light-emitting electrochemical cells. This leads to enhanced quantum efficiency and luminescence.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Precautionary Statements

P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2

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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Ultrabright oxygen optodes based on cyclometalated iridium (III) coumarin complexes.
Borisov SM and Klimant I
Analytical Chemistry, 79(19), 7501-7509 (2007)
Shaped Ir?Ni bimetallic nanoparticles for minimizing Ir utilization in oxygen evolution reaction.
Lim J,et al.
Chemical Communications (Cambridge, England), 52(32), 5641-5644 (2016)
Maximilian Moser et al.
Angewandte Chemie (International ed. in English), 53(33), 8628-8633 (2014-06-04)
Rutile TiO2 is a heavily investigated oxide with, to date, scarce applications in industrial catalysis. The inactivity of this material in oxidations has been related to its inability to dissociate molecular oxygen. Herein we show how rutile catalyzes the oxidation
Ann M Rajnicek et al.
Advanced healthcare materials, 7(17), e1800473-e1800473 (2018-07-06)
Innovative neurostimulation therapies require improved electrode materials, such as poly(3,4-ethylenedioxythiophene) (PEDOT) polymers or IrOx mixed ionic-electronic conductors and better understanding of how their electrochemistry influences nerve growth. Amphibian neurons growing on transparent films of electronic (metal) conductors and electronic-ionic conductors

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