206237

Iridium(IV) oxide

99.9% trace metals basis

• Synonym(s): Iridium dioxide
• Linear Formula: IrO₂
• CAS Number: 12030-49-8
• Molecular Weight: 224.22
• EC Number: 234-743-9
• MDL number: MFCD00011065
• UNSPSC Code: 12352303
• eCl@ss: 38191204
• PubChem Substance ID: 24852387
• NACRES: NA.23

Properties

• Quality Level: 100
• Assay: 99.9% trace metals basis
• form: powder
• application(s): battery manufacturing
• SMILES string: O=[Ir]=O
• InChI: 1S/Ir.2O
• InChI key: HTXDPTMKBJXEOW-UHFFFAOYSA-N

Description

General description

Iridium oxide is a ceramic material with unique properties like long-term stability, sensitivity, electrochemical catalytic activity, and excellent biocompatibility. It can be formed from Ir metal by different methods like thermal decomposition, reactive sputtering, and electrochemical deposition. It is widely used in bio-electronic devices.

Application

Iridium(IV) oxide can be used as:

• An indicator electrode in solid-state pH sensors.
• Coating material for stimulation electrodes.
• An anodic catalyst for oxygen evolution through a water-splitting reaction in a polymer electrolyte membrane (PEM) cell.

Safety Information

• 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