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Manufactured by Metakem, sold by Nano Cats GmbH

Hexachloroiridic(IV)-acid

Hexachloroiridic(IV)-acid

Regular price €3.710,00 EUR
Regular price Sale price €3.710,00 EUR
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Hexachloroiridic acid (the anhydrous form, H₂IrCl₆) is a fundamental compound in iridium chemistry, serving as a precursor for advanced catalysts and electrode materials without the hydration component found in the hexahydrate form. Its solid form presents unique physical and chemical properties essential for high-purity industrial applications, offering enhanced stability and handling characteristics in dry environments. This anhydrous compound is particularly useful in the manufacture of corrosion-resistant coatings and in catalytic processes requiring precise stoichiometry and moisture control.

Property / Feature Description / Value
Chemical Formula H₂IrCl₆
Molecular Weight 406.95 g/mol
Appearance Black to dark brown crystalline solid
Density Approximately 1.02 g/cm³ at 25 °C
Melting Point Around 65 °C (may decompose)
Solubility Soluble in water, hydrochloric acid, and alcohols
Stability & Storage Stable when dry; must be kept in moisture-free environment, under inert gas recommended
Toxicity & Safety Corrosive and toxic; requires protective handling
Key Applications - Precursor in production of iridium-based catalysts and coated electrodes
- Used to prepare stable anodes in chlor-alkali and PEM electrolysis systems
- Catalyst in electrochemical reactions and organic syntheses
- Intermediate for producing iridium-substituted polyoxometalates
Special Features Anhydrous nature allows precise catalytic loading and better control in dry chemical processes


Hexachloroiridic acid anhydrous offers a balance of chemical robustness and application versatility, making it indispensable in catalysis, electrochemistry, and coatings for clean energy and industrial technologies.

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