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Merck
CN

206237

Iridium(IV) oxide

99.9% trace metals basis

Synonym(s):

Iridium dioxide, Iridium oxide

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About This Item

Linear Formula:
IrO2
CAS Number:
Molecular Weight:
224.22
PubChem Substance ID:
eCl@ss:
38191204
UNSPSC Code:
12352303
NACRES:
NA.23
EC Number:
234-743-9
MDL number:
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Product Name

Iridium(IV) oxide, 99.9% trace metals basis

InChI key

HTXDPTMKBJXEOW-UHFFFAOYSA-N

InChI

1S/Ir.2O

SMILES string

O=[Ir]=O

assay

99.9% trace metals basis

form

powder

application(s)

battery manufacturing

Quality Level

Application

Iridium(IV) oxide can be used as:
  • An indicator electrode in solid-state pH sensors.
  • Coating material for stimulation electrodes.
  • An anodic catalyst for oxygen evolution through a water-splitting reaction in a polymer electrolyte membrane (PEM) cell.

General description

Iridium oxide is a ceramic material with unique properties like long-term stability, sensitivity, electrochemical catalytic activity, and excellent biocompatibility. It can be formed from Ir metal by different methods like thermal decomposition, reactive sputtering, and electrochemical deposition. It is widely used in bio-electronic devices.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Vanessa M Tolosa et al.
Biosensors & bioelectronics, 42, 256-260 (2012-12-05)
An implantable micromachined multi-electrode array (MEA) microprobe modified for utilization as a complete electrochemical biosensor for rapid glutamate detection is described. A post-fabrication method for electrochemical deposition of an iridium oxide (IrOx) film onto a designated microelectrode enabled incorporation of
Shawn K Kelly et al.
IEEE transactions on bio-medical engineering, 58(11), 3197-3205 (2011-08-24)
A miniaturized, hermetically encased, wirelessly operated retinal prosthesis has been developed for preclinical studies in the Yucatan minipig, and includes several design improvements over our previously reported device. The prosthesis attaches conformally to the outside of the eye and electrically
Martin Han et al.
IEEE transactions on bio-medical engineering, 59(2), 346-354 (2011-10-25)
We developed and validated silicon-based neural probes for neural stimulating and recording in long-term implantation in the brain. The probes combine the deep reactive ion etching process and mechanical shaping of their tip region, yielding a mechanically sturdy shank with
H B Campbell et al.
Biosensors & bioelectronics, 42, 563-569 (2012-12-25)
The primary goal of this work is the development of a rapidly responding, sensitive, and biocompatible Ir oxide (IrOx)-based glucose sensor that regenerates solely via IrOx-mediation in both O₂-free and aerobic environments. An important discovery is that, for films composed
Guangfu Li et al.
ChemSusChem, 5(5), 858-861 (2012-03-24)
Morphological control by SBA-15: The performance of catalysts for the oxygen evolution reaction (OER) depends strongly on their structural and morphological properties. An IrO(2) nanomaterial with a morphology suitable for the OER is prepared by using a synthetic scheme involving

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