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449229

Sigma-Aldrich

Iridium

evaporation slug, diam. × L 0.6 cm × 1.2 cm, 99.9% trace metals basis

Synonyme(s) :

Iridium black

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About This Item

Formule empirique (notation de Hill):
Ir
Numéro CAS:
7439-88-5
Poids moléculaire :
192.22
Numéro MDL:
MFCD00011062
Code UNSPSC :
12141720
ID de substance PubChem :
24868465
Nomenclature NACRES :
NA.23

Pureté

99.9% trace metals basis

Forme

evaporation slug

Résistivité

4.71 μΩ-cm

Diam. × L

0.6 cm × 1.2 cm

Poids

~7.6 g (one slug)

Point d'ébullition

4130 °C (lit.)

Pf

2450 °C (lit.)

Densité

22.65 g/cm3 (lit.)

Chaîne SMILES 

[Ir]

InChI

1S/Ir

Clé InChI

GKOZUEZYRPOHIO-UHFFFAOYSA-N

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Application

  • Single Atom Iridium Decorated Nickel Alloys Supported on Segregated MoO(2) for Alkaline Water Electrolysis.: The study presents an innovative approach to enhance alkaline water electrolysis using single-atom iridium catalysts, resulting in improved efficiency and stability of the process (Wang et al., 2024).
  • An Aqueous Redox Flow Battery Using CO(2) as an Active Material with a Homogeneous Ir Catalyst.: This paper explores the use of iridium catalysts in an aqueous redox flow battery, utilizing CO2 as an active material to improve energy storage capabilities (Kanega et al., 2023).
  • Kinetic Acceleration of Lithium Polysulfide Conversion via a Copper-Iridium Alloying Catalytic Strategy in Li-S Batteries.: This research highlights the use of copper-iridium alloys to accelerate the conversion of lithium polysulfides, significantly enhancing the performance of lithium-sulfur batteries (Zhai et al., 2022).
  • Introducing High-Valence Iridium Single Atoms into Bimetal Phosphides toward High-Efficiency Oxygen Evolution and Overall Water Splitting.: The study demonstrates the integration of high-valence iridium single atoms into bimetal phosphides, leading to highly efficient oxygen evolution and water splitting processes (Yang et al., 2023).

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Shiguang Pan et al.
Organic letters, 15(8), 1902-1905 (2013-04-02)
A cationic Ir(I) complex-catalyzed O-to-N-alkyl migration in 2-alkoxypyridines bearing a secondary alkyl group on the oxygen atom by C-O bond cleavage is described. The present transformation gave various N-alkylpyridones in moderate to good yields. The addition of sodium acetate played
Rui Cao et al.
Journal of medicinal chemistry, 56(9), 3636-3644 (2013-04-19)
The cellular behavior and toxicity effect of organometallic complexes depend largely on their peripheral ligands. In this study, we have synthesized a series of novel luminescent cationic iridium(III) complexes by tuning the ancillary N(∧)N ligand based on a structure [Ir(ppy)2(N(∧)N)](+)
Le Guo et al.
Organic letters, 15(5), 1144-1147 (2013-02-16)
The first α-alkylation of unactivated amides with primary alcohols is described. An effective and robust iridium pincer complex has been developed for selective α-alkylation of tertiary and secondary acetamides involving a "borrowing hydrogen" methodology. The method is compatible with alcohols
Yuyang Zhou et al.
Chemical communications (Cambridge, England), 49(31), 3230-3232 (2013-03-14)
Five iridium(III) complexes with two N-heterocyclic carbene (NHC) ligands and an ancillary ligand have been designed and successfully synthesized. With multicolor photoluminescence and low toxicity, these carbene complexes were tested, for the first time, as living cell imaging reagents and
José Luis Núñez-Rico et al.
Organic letters, 15(8), 2066-2069 (2013-04-12)
Iridium(I) complexes of enantiomerically pure phosphine-phosphite ligands ([Ir(Cl)(cod)(P-OP)]) efficiently catalyze the enantioselective hydrogenation of diverse C═N-containing heterocyclic compounds (benzoxazines, benzoxazinones, benzothiazinones, and quinoxalinones; 25 examples, up to 99% ee). A substrate-to-catalyst ratio as high as 2000:1 was reached.
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