Potassium hexachloroiridate(IV) - ≥99.5% metals basis , CAS No.16920-56-2

CAS: 16920-56-2 Cat. No.: P299643 Molecular Weight: 483.12 EC Number: 240-976-7 PubChem CID: 11049163

GRADE & PURITY ≥99.5% metals basis

Synonyms

Dipotassium;tetrachloroiridium;dichloride | Iridate(2-), hexachloro-, potassium (1:2), (OC-6-11)- | AKOS015910855 | potassium chloroiridate | Dipotassium hexachloroiridate | MFCD00011369 | AKOS015833379 | POTASSIUMHEXACHLOROIRIDATE(IV) | Iridium potassium

Storage

Store at 2-8°C

Shipped In

Wet ice

Overview

Potassium hexachloroiridate(IV) is used to prepare platinum nanoparticles (PNPs) by reduction with trisodium citrate and sodium dodecyl sulfate as stabilizer reagent.

Specifications

Synonyms

Dipotassium;tetrachloroiridium;dichloride | Iridate(2-), hexachloro-, potassium (1:2), (OC-6-11)- | AKOS015910855 | potassium chloroiridate | Dipotassium hexachloroiridate | MFCD00011369 | AKOS015833379 | POTASSIUMHEXACHLOROIRIDATE(IV) | Iridium potassium

Specifications & Purity

≥99.5% metals basis

Storage

Store at 2-8°C

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥99.5% metals basis

Names and Identifiers

• Canonical Smiles: Cl[Ir-2](Cl)(Cl)(Cl)(Cl)Cl.[K+].[K+]
• IUPAC Name: dipotassium;hexachloroiridium(2-)
• InChIKey: WEKZJZDULNNSCD-UHFFFAOYSA-H
• INCHI: 1S/6ClH.Ir.2K/h6*1H;;;/q;;;;;;+4;2*+1/p-6
• Isomeric SMILES: Cl[Ir-2](Cl)(Cl)(Cl)(Cl)Cl.[K+].[K+]
• WGK Germany: 3
• PubChem CID: 11049163
• Molecular Weight: 483.12

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Transition metal salts
      • Subclass Transition metal chlorides

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Transition metal salts
• Subclass: Transition metal chlorides
• Intermediate Tree Nodes: Not available
• Direct Parent: Transition metal chlorides
• Alternative Parents: Inorganic chloride salts
• Molecular Framework: Not available
• Substituents: Transition metal chloride - Inorganic chloride salt - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as transition metal chlorides. These are inorganic compounds in which the largest halogen atom is Chlorine, and the heaviest metal atom is a transition metal.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Insoluble in water.
• Sensitivity: Hygroscopic
• Melt Point(°C): >385 °C
• Molecular Weight: 483.100 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 482.7 Da
• Monoisotopic Mass: 480.703 Da
• Topological Polar Surface Area: 0.000 Ų
• Heavy Atom Count: 9
• Formal Charge: 0
• Complexity: 62.700
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 3

XLogP3

References

1. Dan-Qing Liu, Zhouxin Luo, Bingxing Zhang, Guoqiang Zhao, Wei Guo, Jian Chen, Mingxia Gao, Yongfeng Liu, Hongge Pan, Wenping Sun.  (2022)  Tailoring Interfacial Charge Transfer of Epitaxially Grown Ir Clusters for Boosting Hydrogen Oxidation Reaction.  Advanced Energy Materials,  13  (1): (2202913).  [PMID:] [10.1002/aenm.202202913]

2. Tixuan Xia, Chunbo Liu, Yang Lu, Wei Jiang, Hongji Li, Yunchao Ma, Yuanyuan Wu, Guangbo Che.  (2022)  Regulating Ru-based double perovskite against lattice oxygen oxidation by incorporating Ir for efficient and stable acidic oxygen evolution reaction.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2022.154727]

3. Na Li, Liang Cai, Chao Wang, Yue Lin, Jinzhen Huang, Hongyuan Sheng, Haibin Pan, Wei Zhang, Qianqian Ji, Hengli Duan, Wei Hu, Wenhua Zhang, Fengchun Hu, Hao Tan, Zhihu Sun, Bo Song, Song Jin, Wensheng Yan.  (2021)  Identification of the Active-Layer Structures for Acidic Oxygen Evolution from 9R-BaIrO3 Electrocatalyst with Enhanced Iridium Mass Activity.  Journal of the American Chemical Society,      [PMID:34694127] [10.1021/jacs.1c04087]

4. Shuang Zhao, Tong Bu, Kairong Yang, Zhihao Xu, Feier Bai, Kunyi He, Lihua Li, Li Wang.  (2021)  Immunochromatographic Assay Based on Polydopamine-Decorated Iridium Oxide Nanoparticles for the Rapid Detection of Salbutamol in Food Samples.  ACS Applied Materials & Interfaces,      [PMID:34106688] [10.1021/acsami.1c06724]

5. Zhong Yingying, Li Qing-lan, Lu Minglei, Wang Tiantian, Yang Huiyi, He Qiyi, Cui Xiping, Li Xiangguang, Zhao Suqing.  (2020)  A colorimetric sensing strategy based on enzyme@metal-organic framework and oxidase-like IrO2/MnO2 nanocomposite for α-glucosidase inhibitor screening.  MICROCHIMICA ACTA,  187  (12): (1-10).  [PMID:33241461] [10.1007/s00604-020-04660-6]

6. Xueyuan Wang, Jiafang Xie, Muhammad Arsalan Ghausi, Jiangquan Lv, Yiyin Huang, Maoxiang Wu, Yaobing Wang, Jiannian Yao.  (2019)  Rechargeable Zn–CO2 Electrochemical Cells Mimicking Two-Step Photosynthesis.  ADVANCED MATERIALS,  31  (17): (1807807).  [PMID:30803058] [10.1002/adma.201807807]

7. Yang Lan, Yu Guangtao, Ai Xuan, Yan Wensheng, Duan Hengli, Chen Wei, Li Xiaotian, Wang Ting, Zhang Chenghui, Huang Xuri, Chen Jie-Sheng, Zou Xiaoxin.  (2018)  Efficient oxygen evolution electrocatalysis in acid by a perovskite with face-sharing IrO6 octahedral dimers.  Nature Communications,  9  (1): (1-9).  [PMID:30531797] [10.1038/s41467-018-07678-w]

8. Miao Kan, Xufang Qian, Taiyang Zhang, Dongting Yue, Yixin Zhao.  (2017)  Highly Active IrOx Nanoparticles/Black Si Electrode for Efficient Water Splitting with Conformal TiO2 Interface Engineering.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.7b02850]

9. Zeyu Guan, Yuxiao Weng, Jiankun Li, Shiyi Li, Keyu Wang, Linfeng Lei, Yixing Wang, Linzhou Zhuang, Zhi Xu.  (2024)  Interfacial engineering to construct an IrOx/WO3 hetero-structured catalyst for efficient acidic OER catalysis.  NEW JOURNAL OF CHEMISTRY,  48  (6): (2505-2514).  [PMID:] [10.1039/D3NJ04468H]

10. Dongze Li, Wei Tu, Yuxiang Jin, Chao Wang, Song Jin, Wei Liu, Erhong Song, Zhangquan Peng, Junyuan Xu, Ligang Feng.  (2024)  Mechanism from catalyst to catalysis on Ir segregated SrIrO3 for hydrogen evolution reaction.  APPLIED CATALYSIS B-ENVIRONMENTAL,      [PMID:] [10.1016/j.apcatb.2024.124961]

11. Xu Xin, Zhang Ze, Shen Tong, Pan Hongzhi, Chang Dong.  (2024)  Visual dual-mode aptasensor for non-small cell lung cancer exosome detection via HRP self-coupling enhanced oxidized iridium nanoparticle aggregation.  ANALYTICAL SCIENCES,  40  (8): (1459-1473).  [PMID:38900232] [10.1007/s44211-024-00582-y]

12. Chenyang Wei, Cheng Liu, Zeyu Zhang, Kai Sun, Chengkun Xing, Wenjuan Shi, Youyong Li, Jian-Feng Li, Bo Zhang.  (2025)  Dynamic template reconstruction induced mesoporous iridium catalysts for high-current-density PEMWE.  Joule,      [PMID:] [10.1016/j.joule.2025.102058]

13. Li Na, Cheng Weiren, Liu Yuying, Liu Ruiqi, Feng Sihua, Wang Huijuan, Lv Liyang, Liu Chenglong, Ma Jin, Wang Chao, Yan Wensheng.  (2026)  Spin Balance Over Janus Ir-Co Magnetic Atoms for Efficient Acidic Water Oxidation.  Nano-Micro Letters,  18  (1): (227).  [PMID:41604033] [10.1007/s40820-026-02082-2]