Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Iridium dioxide
Alias: Iridium(IV) oxide; Iridium oxide
CAS No. : 12030-49-8
EINECS No. : 234-743-8
Molecular Formula: IrO2
Molecular Weight: 224.21 g/mol
Classification: Rare metal oxide; Electrode material; Catalyst raw material; Electrochemical coating material
Physical & Chemical Properties
Appearance: Black crystalline powder / solid
Odor: Odorless
Solubility: Insoluble in water, acid and general organic solvents
Stability: High temperature resistance, good chemical stability; excellent corrosion resistance and electrocatalytic activity
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Iridium dioxide | — | Iridium(IV) oxide |
| CAS Number | 12030-49-8 | — | Rare earth oxide |
| Appearance | Black crystalline powder | — | High purity grade |
| Molecular Formula | IrO2 | — | Metal dioxide |
| Molecular Weight | 224.21 | g/mol | — |
| Purity | ≥99.9 | % | High purity |
Main Uses
- Used as electrocatalytic material for titanium anode coating in chlor-alkali industry.
- High-performance catalyst for water electrolysis, oxygen evolution reaction.
- Applied in electronic components, precision ceramics and high-temperature resistant materials.
- Raw material for precious metal catalyst and sensor manufacturing.
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