Technical Specifications
- Product Name: Chromium Oxide Nanopowder
- Chemical Formula: Cr₂O₃ (Chromium(III) Oxide)
- CAS Number: 1308-38-9
- Purity
- Grade: 99% (high purity)
- Impurities: ≤1% (trace oxides or other elements)
- Particle Size
- Average Size: ~60 nm
- Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
- Crystal Structure
- Phase: Hexagonal
- Stability: Thermodynamically stable under standard conditions
- Morphology
- Shape: Near-spherical particles with uniform distribution
- Surface Area: High due to nanoscale size, enhancing catalytic and thermal properties
- 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
- 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
- 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.
- Hazards:
Applications
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
