ChemicalBook >> CAS DataBase List >>Iridium dioxide
Iridium dioxide
- CAS No.
- 12030-49-8
- Chemical Name:
- Iridium dioxide
- Synonyms
- IrO2;IRIDIUM(IV) OXIDE;IRIDIUM OXIDE;iridium dioxide;Iridium(4)oxide;lridium dioxide;Iridium(Ⅱ) dioxide;Iridiumoxidepowder;Iridium(IV)dioxide;iridiumoxide(iro2)
- CBNumber:
- CB9760372
- Molecular Formula:
- IrO2
- Molecular Weight:
- 224.22
- MDL Number:
- MFCD00011065
- MOL File:
- 12030-49-8.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-06-23 16:59:16
| Melting point | 1100°C (dec.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Density | 11,7 g/cm3 | ||||||||||||||
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C | ||||||||||||||
| form | Powder | ||||||||||||||
| Specific Gravity | 11.66 | ||||||||||||||
| color | Black | ||||||||||||||
| Water Solubility | INSOLUBLE | ||||||||||||||
| Specific Heat Capacity | Cp(crystal): 0.26 J/(g·K), at 25℃ | ||||||||||||||
| Crystal Structure | Rutile type | ||||||||||||||
| crystal system | square | ||||||||||||||
| Space group | P42/mnm | ||||||||||||||
| Lattice constant |
|
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| Major Application | battery manufacturing | ||||||||||||||
| InChI | InChI=1S/Ir.2O | ||||||||||||||
| InChIKey | HTXDPTMKBJXEOW-UHFFFAOYSA-N | ||||||||||||||
| SMILES | [Ir](=O)=O | ||||||||||||||
| CAS DataBase Reference | 12030-49-8(CAS DataBase Reference) | ||||||||||||||
| FDA UNII | CL6CQW9MWS | ||||||||||||||
| NIST Chemistry Reference | Iridium dioxide(12030-49-8) | ||||||||||||||
| EPA Substance Registry System | Iridium oxide (IrO2) (12030-49-8) | ||||||||||||||
| UNSPSC Code | 12352303 | ||||||||||||||
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS03 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H272-H413 | |||||||||
| Precautionary statements | P210a-P220-P221-P280a-P370+P378a-P501a | |||||||||
| PPE | Eyeshields, Gloves, type N95 (US) | |||||||||
| Hazard Codes | O;Xi,Xi,O | |||||||||
| Risk Statements | 36/38-8 | |||||||||
| Safety Statements | 17-26-37/39 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 5.1 | |||||||||
| HS Code | 28259085 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| NFPA 704 |
|
Iridium dioxide price More Price(29)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 206237 | Iridium(IV) oxide 99.9% trace metals basis | 12030-49-8 | 1g | $746 | 2026-04-30 | Buy |
| Sigma-Aldrich | 206237 | Iridium(IV) oxide 99.9% trace metals basis | 12030-49-8 | 5g | $3430 | 2026-04-30 | Buy |
| Strem Chemicals | 93-7702 | Iridium(IV) oxide, 99% (99.9+%-Ir) (99.9+%-Ir) | 12030-49-8 | 1g | $503 | 2026-04-30 | Buy |
| Strem Chemicals | 93-7702 | Iridium(IV) oxide, 99% (99.9+%-Ir) (99.9+%-Ir) | 12030-49-8 | 5g | $2008 | 2026-04-30 | Buy |
| Apolloscientific | IN2034-1 | Iridium(IV) oxide, Ir 85.7% 99.9% | 12030-49-8 | 100mg | $36 | 2026-06-04 | Buy |
Iridium dioxide Chemical Properties,Uses,Production
Chemical Properties
BLACK POWDER
Uses
Iridium(IV) oxide is used in the coating of anode-electrodes for industrial electrolysis in association with other rare oxides. It is also used in microelectrodes for electrophysiology research.
Synthesis
The iridium powder is obtained by heating to 107C in air or oxygen, or by careful addition of a strong base to a boiling (IrCl6)2-solution, which produces a blue precipitate, the latter being dried in a vacuum, and then its hydrate is allowed to dehydrate completely in nitrogen at 350C.
Global( 214)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9407 | 55 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| Shandong Xiya Chemical Co., Ltd | 13355009207 13355009207 | 3007715519@qq.com | China | 18722 | 57 |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| Spectrum Chemical Manufacturing Corp. | 021-021-021-67601398-809-809-809 15221380277 | marketing_china@spectrumchemical.com | China | 9643 | 60 |
| Chengdu Ai Keda Chemical Technology Co., Ltd. | 4008-755-333 18080918076 | 800078821@qq.com | China | 9706 | 55 |
| T&W GROUP | 021-61551611 13296011611 | contact@trustwe.com | China | 9884 | 58 |
View Lastest Price from Iridium dioxide manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-05-26 | Iridium dioxide
12030-49-8
|
$3.00 | 1kg | 0.99 | 10000 | Hebei Fengjia New Material Co., Ltd | |
 |
2022-09-22 | Iridium dioxide
12030-49-8
|
1kg | 99% | 1000kg | henan kanbei chemical co.,ltd | ||
 |
2021-07-13 | Iridium dioxide
12030-49-8
|
$10.00-15.00 | 1KG | 99%+ HPLC | Zhuozhou Wenxi import and Export Co., Ltd |
-
- Iridium dioxide
12030-49-8
- $3.00
- 0.99
- Hebei Fengjia New Material Co., Ltd
-
- Iridium dioxide
12030-49-8
- $0.00
- 99%
- henan kanbei chemical co.,ltd
-
- Iridium dioxide
12030-49-8
- $10.00-15.00
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
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12030-49-8
H4IrO4
chemical reaction,pharm,electronic,materials
Inorganics
metal oxide
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Metal and Ceramic Science
Oxides
