Iridium(III) Acetylacetonate

Basic Information of Iridium(III) Acetylacetonate

CAS No.	15635-87-7
EC No.	239-712-4
Chemical Formula	Ir(C₅H₇O₂)₃
Molecular Weight	491.56 g/mol
Appearance	Dark red to maroon crystalline powder
Odor	Odorless to slight characteristic
Melting point	~270 °C (decomposes)
Boiling point	Sublimes ~220–250 °C under vacuum
Density	approx. 1.9–2.1 g/cm³
Solubility	Insoluble in water; soluble in chloroform, dichloromethane, toluene, acetone
Nature (hazards)	May cause skin and eye irritation, harmful if swallowed or inhaled, toxic to aquatic life with long lasting effects
RIDADR	UN 3077, Environmentally hazardous substance, solid, n.o.s. (Iridium(III) acetylacetonate), Class 9, Packing Group III
Chemical Structure

Primary Applications of Iridium(III) Acetylacetonate

Iridium(III) Acetylacetonate excels as a volatile, halide-free Ir precursor for high-purity thin-film deposition and catalyst preparation in advanced technology sectors.

1. Chemical Vapor Deposition (CVD) & Atomic Layer Deposition (ALD)
   Serves as a standard precursor for depositing conformal, high-purity iridium thin films, electrodes, or seed layers in microelectronics, DRAM capacitors, and interconnects.

2. Supported Iridium Catalyst Preparation
   Used in solution impregnation or gas-phase methods to produce highly dispersed Ir on carbon, alumina, or oxide supports for hydrogenation, ammonia oxidation, and reforming catalysis.

3. Iridium Nanoparticle & Nanostructure Synthesis
   Enables controlled thermal or chemical reduction to generate Ir nanoparticles, nanowires, or clusters for electrocatalysis, fuel cells, and biomedical nanotechnology.

4. Organometallic Complex & Materials Research
   Acts as an Ir(III) source for synthesizing mixed-ligand complexes, luminescent Ir compounds, or functional organometallics in academic and industrial R&D.

5. Electrocatalyst Development for Energy Applications
   Facilitates preparation of Ir-based catalysts for oxygen evolution reaction (OER), hydrogen evolution, and alcohol oxidation in electrolyzers and fuel cells.

6. Thin-Film Electrodes & Sensors
   Supports deposition of Ir microelectrodes, catalytic surfaces, or conductive layers in chemical sensors, biosensors, and electrochemical devices.

• High Purity & Volatile Consistency
  Rigorous quality control ensures uniform Ir content, low impurities, and reproducible sublimation/decomposition behavior for reliable thin-film deposition.

• Secure Precious Metal Sourcing
  Transparent, responsible iridium procurement with inventory strategies to provide supply stability and competitive pricing.

• Technical Deposition Expertise
  Dedicated specialists offer guidance on precursor handling, CVD/ALD parameters, reduction protocols, and process optimization.

• Comprehensive Regulatory Compliance
  Full COA, REACH, RoHS, and detailed SDS documentation to facilitate integration into global electronics and catalysis operations.

• Sustainability Focus
  Ethical sourcing practices and iridium recovery/recycling programs aligned with ESG requirements and sustainable materials development.

Hazards Classification

• GHS Classification: Acute Toxicity, Oral (Category 4); Skin Irritation (Category 2); Eye Irritation (Category 2A); Specific Target Organ Toxicity, Single Exposure (respiratory) (Category 3); Aquatic Chronic (Category 2)

• Hazard Statements: H302: Harmful if swallowed; H315: Causes skin irritation; H319: Causes serious eye irritation; H335: May cause respiratory irritation; H411: Toxic to aquatic life with long lasting effects

• UN Number: UN 3077

• Hazard Class: 9 (Miscellaneous dangerous substances and articles)

• Packing Group: III