Chromium Oxide Nanopowder ( Cr2O3, 99%, 60nm, Hexagonal)

Technical Specifications

1. Product Name: Chromium Oxide Nanopowder
   • Chemical Formula: Cr₂O₃ (Chromium(III) Oxide)
   • CAS Number: 1308-38-9
2. Purity
   • Grade: 99% (high purity)
   • Impurities: ≤1% (trace oxides or other elements)
3. Particle Size
   • Average Size: ~60 nm
   • Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Crystal Structure
   • Phase: Hexagonal
   • Stability: Thermodynamically stable under standard conditions
5. Morphology
   • Shape: Near-spherical particles with uniform distribution
   • Surface Area: High due to nanoscale size, enhancing catalytic and thermal properties
6. Physical and Chemical Properties
   • Color: Green powder
   • Density: ~5.22 g/cm³
   • Melting Point: ~2,435 °C
   • Thermal Stability: Excellent stability at elevated temperatures
   • Hardness: High, making it suitable for wear-resistant applications
7. Packaging and Storage
   • Standard Packaging: Sealed in airtight, moisture-resistant containers to prevent contamination and agglomeration
   • Storage Conditions: Store in a cool, dry environment; avoid prolonged exposure to air and moisture
   • Shelf Life: Stable under proper storage conditions
8. Safety and Handling
   • Hazards:
     • Chromium oxide dust may cause respiratory and eye irritation if inhaled or exposed.
     • Non-flammable but requires careful handling to prevent airborne dispersion.
   • Recommended Protective Measures:
     • Use PPE (e.g., gloves, goggles, and dust masks).
     • Ensure adequate ventilation during handling.

Applications

1. Catalysis
   • Environmental Catalysis: Used as a catalyst in oxidation reactions and pollutant degradation processes.
   • Chemical Catalysis: Effective in catalytic applications such as hydrogenation, isomerization, and organic synthesis.
2. Ceramics and Refractories
   • Advanced Ceramics: Used in high-performance ceramics for its thermal stability and hardness.
   • Refractory Materials: Ideal for furnace linings and components exposed to high temperatures.
3. Coatings and Surface Treatments
   • Protective Coatings: Enhances wear resistance, corrosion resistance, and thermal stability of tools and components.
   • Thermal Barrier Coatings: Applied in high-temperature environments such as turbines and engines.
4. Pigments and Colorants
   • Green Pigment: Widely used as a stable and durable pigment in paints, coatings, and plastics.
   • Glass and Ceramic Coloring: Provides a green hue to glass and ceramic products.
5. Nanocomposites
   • Reinforcement Material: Improves the mechanical, thermal, and chemical properties of polymer, ceramic, and metal composites.
   • Lightweight Components: Applied in aerospace and automotive industries requiring high strength-to-weight ratios.
6. 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 industrial applications.
7. Energy Applications
   • Fuel Cells: Explored for use in solid oxide fuel cells (SOFCs) as a component in cathodes or interconnects.
   • Electrochemical Applications: Studied for potential use in advanced energy storage systems.
8. Research and Development
   • Material Science: Extensively studied for its optical, magnetic, and catalytic properties.
   • Prototype Development: Used in developing advanced materials for energy, coatings, and environmental applications.

Key Features

• High purity (99%) and nanoscale size (~60 nm) ensure excellent catalytic, optical, and thermal properties.
• Hexagonal structure provides exceptional thermal stability and hardness, ideal for wear-resistant applications.
• Versatile applications in catalysis, coatings, ceramics, and nanocomposite materials.