PRODUCTS
Features
|
CAS No.: |
7439-88-5 |
|
Linear Formula: |
Ir |
|
Appearance: |
Black Powder |
|
Surface Area: |
＞20 m2/g |
|
Grade： |
Fuel Cell Grade |
|
Particle Size: |
-200 mesh |
✅ Product Description
Iridium Black is a high-purity, finely divided form of elemental iridium characterized by its black powder appearance and high surface area (＞20 m²/g). It is widely recognized as a premium catalyst material in electrochemical and fuel cell applications due to its outstanding resistance to corrosion, high thermal stability, and excellent catalytic activity.
This fuel cell-grade iridium powder is carefully engineered for use in proton exchange membrane fuel cells (PEMFC), electrolyzers, and various redox reactions. Its uniform particle distribution and high dispersion potential make it an ideal choice for coating electrodes or mixing into catalytic inks.
🔹 Features & Properties
✔ High Surface Area: Enhances catalytic efficiency in electrochemical reactions
✔ Excellent Stability: Exceptional resistance to acids, oxidation, and high temperatures
✔ Fuel Cell Optimized: Specifically refined for use in PEM fuel cells and water electrolysis
✔ Customizable Particle Size: Standard -200 mesh, others available on request
✔ High Purity: Ensures minimal contamination for high-performance systems
🚀 Applications & Related Industries
✅ Fuel Cells: Catalyst for PEMFC and solid oxide fuel cells
✅ Electrolyzers: Effective for oxygen evolution reactions (OER) in water splitting
✅ Electronics Industry: Used in thick-film pastes, conductive coatings
✅ Chemical Industry: Catalyst in hydrogenation, oxidation, and reforming reactions
✅ Sensor Technology: Applied in gas sensors and transducers
📖 Synonyms
Iridium Fine Powder
High Surface Area Iridium
Fuel Cell Iridium Catalyst
Electrochemical Grade Iridium
⚠ Health & Safety Information
⚠ Avoid inhalation of powder; use PPE and handle in ventilated environments
⚠ Store in sealed containers to prevent airborne dispersion
⚠ Non-combustible but inert conditions recommended for long-term stability
⚠ Dispose of in accordance with local regulations for metal-containing materials
🏭 Production Method & Equipment
Iridium Black is typically produced via thermal decomposition of iridium complexes or chemical reduction of iridium salts, followed by washing, filtration, and controlled drying. The process ensures high purity and specific surface area control, monitored by BET and particle size analysis.
📐 Size & Customization
Particle Size: Standard -200 mesh; finer or coarser options available
Surface Area: Custom surface area grades can be developed for research or scale-up
Packaging: Available in small R&D vials up to industrial-scale drums
📋 Certifications & Quality Assurance
Conforms to ASTM, JIS, GB, EN, and BS standards
Provided with Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS)
Manufactured under strict ISO 9001 quality systems
⏱ Lead Time & MOQ
Lead Time: 5–15 business days depending on order size and specifications
Minimum Order Quantity: 10 grams (R&D); bulk orders available
💬 FAQs
Q1: What is the purity of Iridium Black?
A1: Standard grades exceed 99.95% purity; ultra-high-purity options are available upon request.
Q2: Is Iridium Black reusable in catalytic systems?
A2: Yes, under proper conditions, it can be regenerated and reused in various catalytic cycles.
Q3: Can you tailor particle size for specific applications?
A3: Yes. We offer customized milling and sieving to match your equipment or formulation needs.
🧭 How to Choose the Product
Choose higher surface area for improved electrochemical performance
Select finer particle sizes for better dispersion in inks or coatings
Ensure fuel cell-grade quality for PEM and electrolyzer compatibility
📏 Product Standards
Fully compliant with ASTM, JIS, GB, EN, and BS standards
Custom specifications available for advanced research or OEM partnerships
🧪 Production & Quality Control
Tested using BET surface area analysis, SEM, XRD, and ICP-MS
Rigorously screened for impurities, morphology, and stability
Each batch traceable and reproducible with full quality documentation
📦 Shipping & Delivery Information
Packaging: Airtight glass, foil pouch, or HDPE container
Shipping Options: Air express, sea freight, or land logistics available globally
Labels: UN-compliant and customizable per destination regulations
🌱 Environmental Impact & Sustainability
Recyclable through precious metal recovery programs
Minimizes waste in electrochemical systems due to reusability
Manufactured under eco-conscious guidelines to reduce emissions
🧼 Maintenance & Care Instructions
Store in cool, dry environment in tightly sealed packaging
Avoid contamination with other materials or chemicals
Maintain inert atmosphere if prolonged storage is required
🧩 Differentiation Between Products
Compared to traditional iridium metal powders, Iridium Black offers superior catalytic properties due to its high surface area and optimized morphology. It is specifically tailored for next-generation fuel cell and electrolysis technologies.
📩 Contact Us
For bulk pricing, technical consultation, or custom synthesis inquiries, please reach out to our specialized team.
Chemical Identifiers
|
Linear Formula |
Ir |
|
MDL Number |
MFCD00011062 |
|
EC No. |
231-095-9 |
|
Beilstein/Reaxys No. |
N/A |
|
Pubchem CID |
23924 |
|
SMILES |
[Ir] |
|
InchI Identifier |
InChI=1S/Ir |
|
InchI Key |
GKOZUEZYRPOHIO-UHFFFAOYSA-N |
Iridium Black Properties (Theoretical)
|
Molecular Weight |
192.22 |
|
Appearance |
Black powder |
|
Melting Point |
2466 °C |
|
Boiling Point |
4130 °C |
|
Density |
22.56 g/cm3 |
|
Solubility in H2O |
N/A |
|
Electrical Resistivity |
5.3 µÎ© ·cm |
|
Electronegativity |
2.2 Paulings |
|
Heat of Fusion |
41.12 kJ/mol |
|
Heat of Vaporization |
564 kJ/mol |
|
Poisson's Ratio |
0.26 |
|
Specific Heat |
133 J/kg ·K |
|
Tensile Strength |
2000 MPa |
|
Thermal Conductivity |
1.47 W/m ·K |
|
Thermal Expansion |
6.4 µm/(m·K) |
|
Vickers Hardness |
1760 MPa |
|
Young's Modulus |
528 GPa |
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