Iridium(IV) Oxide,12030-49-8,IrO2
Iridium(IV) Oxide,12030-49-8,IrO2
Iridium(IV) Oxide,12030-49-8,IrO2
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Iridium(IV) Oxide,12030-49-8,IrO2

Identification
Name
Iridium(IV) oxide
Synonyms

Iridium dioxide

IRIDIUM OXIDE

Iridium(IV) oxide powder

Iridiumoxidepowder

Iridiumoxideblueblackpowder

Iridium(Ⅱ) dioxide

Molecular Formula
IrO2
Molecular Weight
224.22
CAS Registry Number
12030-49-8
EINECS
234-743-9
Properties
Melting point

1100°C
Density

11,7 g/cm3
Iridium content
≥80.00%
Appearance
Blue to black powder, insoluble in water
Specification
Analytical pure
Storage
Store in cool and dry place in tightly sealed bottle
Water solubility
INSOLUBLE
Safety Data
Hazard Symbols
O;Xi
Risk Codes
R36/38;R8
Safety Description
S17;S26;S37/39

Iridium(IV) oxide uses:

Used as a spectrally pure reagent.


Iridium(IV) oxide production method:

The iridium powder can be heated in air or oxygen to obtain iridium dioxide. Carefully add alkali to the boiling [IrCl6]2-solution until the brown color just turns blue, and the resulting blue precipitate is dried in a vacuum into a blue powder, which is equivalent to Ir(OH)4 or IrO2·2H2O, The powder is heated to 350°C in nitrogen to completely dehydrate it to produce black IrO2.

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