Aluminum Oxide Nanopowder (Al2O3, gamma, 99+%, 80nm)

Technical Specifications

1. Product Name: Aluminum Oxide Nanopowder
   • Chemical Formula: Al₂O₃ (Aluminum Oxide)
   • CAS Number: 1344-28-1
2. Purity
   • Grade: 99+% (high purity)
   • Impurities: ≤1% (trace amounts of other oxides or non-metallic elements)
3. Particle Size
   • Average Size: ~80 nm
   • Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Crystal Structure
   • Phase: Gamma-phase, a metastable form of Al₂O₃ known for its high surface area and enhanced reactivity
5. Morphology
   • Shape: Near-spherical or irregular particles, depending on synthesis process
   • Surface Area: Moderate, with nanoscale size enhancing adsorption and catalytic efficiency
6. Physical and Chemical Properties
   • Color: White powder
   • Density: ~3.6 g/cm³ (lower than alpha-phase due to gamma-phase structure)
   • Melting Point: ~2,072 °C (gamma-phase transitions to alpha-phase at elevated temperatures above ~900 °C)
   • Thermal Stability: Stable up to ~900 °C in gamma-phase
   • Electrical Properties: Excellent insulator with superior dielectric properties
7. Packaging and Storage
   • Standard Packaging: Sealed in airtight, moisture-resistant containers to prevent contamination
   • Storage Conditions: Store in a cool, dry environment; avoid moisture, acids, and bases
   • Shelf Life: Stable under proper storage conditions
8. Safety and Handling
   • Hazards:
     • Aluminum oxide dust may cause respiratory or eye irritation if inhaled or exposed.
     • Non-combustible but may create airborne dust particles during handling.
   • Recommended Protective Measures:
     • Use PPE (e.g., gloves, goggles, dust masks).
     • Ensure proper ventilation and minimize airborne particles during handling.

Applications

1. Catalysis
   • Catalyst Support: Widely used as a support material for catalysts in chemical and petrochemical processes due to its high surface area and thermal stability.
   • Industrial Catalysis: Ideal for hydrogenation, oxidation, and dehydrogenation reactions.
2. Adsorption and Environmental Applications
   • Pollutant Adsorption: Effective for capturing heavy metals, volatile organic compounds, and gases in environmental remediation systems.
   • Water Purification: Acts as a filtration medium for removing contaminants from water and air.
3. Energy Applications
   • Battery Components: Enhances thermal stability and safety in lithium-ion battery separators.
   • Fuel Cells: Serves as a component in solid oxide fuel cells (SOFCs) due to its thermal and chemical stability.
4. Electronics and Dielectrics
   • Insulating Layers: Applied in microelectronics for capacitors, transistors, and semiconductors due to its dielectric strength.
   • Thermal Management: Used in thermal interface materials (TIMs) to improve heat dissipation.
5. Coatings and Surface Treatments
   • Protective Coatings: Enhances wear resistance, corrosion resistance, and thermal stability in machinery and tools.
   • Optical Coatings: Used to improve durability and performance in optical components.
6. Nanocomposites
   • Reinforcement Material: Enhances the thermal, mechanical, and chemical properties of polymer, ceramic, and metal composites.
   • Lightweight Materials: Suitable for aerospace and automotive components requiring high strength-to-weight ratios.
7. Biomedical Applications
   • Medical Coatings: Biocompatible properties make it ideal for coating medical implants.
   • Drug Delivery Systems: Investigated for use as a carrier in targeted drug delivery systems due to its nanoscale properties.
8. Polishing and Abrasives
   • Precision Polishing: Used for polishing metals, semiconductors, and optical lenses due to its fine particle size and hardness.
   • Abrasive Applications: Incorporated into grinding and cutting tools for high-precision operations.
9. Research and Development
   • Material Science: Extensively used in experimental studies to explore the properties and potential applications of gamma-phase aluminum oxide.
   • Prototype Development: Ideal for testing in catalysis, coatings, and energy storage.

Key Features

• High purity (99+%) and gamma-phase structure ensure excellent catalytic and adsorption properties.
• Nanoscale particle size (~80 nm) provides a moderate surface area for enhanced performance.
• Versatile for applications in catalysis, energy storage, coatings, and advanced materials.