Iridium Oxide (IrO2)-Powder

Iridium Oxide (IrO2)-Powder introduce:

Characteristic




Iridium(IV) oxide, IrO2, is the only well characterised oxide of iridium. It is a blue black solid. The compound adopts the TiO2, rutile structure, featuring six coordinate iridium and three coordinate oxygen.




Chemical formula:IrO2

Molar mass: 224.22 g/mol

Appearance: blue-black solid

Density: 11.66 g/cm3

Melting point: 1,100 °C (2,010 °F; 1,370 K) decomposes

Solubility in water:insoluble

Magnetic susceptibility (χ):+224.0·10−6 cm3/mol

Crystal structure:Rutile (tetragonal)




Applicatio




It is used with other rare oxides in the coating of anode-electrodes for industrial electrolysis and in microelectrodes for electrophysiology research.