Iron Oxide Nanopowder (Fe2O3, gamma, high purity, 99.5+%, 20 nm)

Technical Specifications

1. Product Name: Iron Oxide Nanopowder
   • Chemical Formula: Fe₂O₃ (Iron(III) Oxide)
   • CAS Number: 1309-37-1
2. Purity
   • Grade: 99.5+% (high purity)
   • Impurities: ≤0.5% (trace elements and other oxides)
3. Particle Size
   • Average Size: ~20 nm
   • Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Morphology
   • Shape: Near-spherical particles with uniform distribution
   • Surface Area: High, due to nanoscale size, enhancing reactivity
5. Crystal Structure
   • Phase: Gamma (maghemite)
6. Physical and Chemical Properties
   • Color: Brownish-red powder
   • Density: ~4.9 g/cm³
   • Melting Point: Decomposes to alpha-Fe₂O₃ at higher temperatures (~300–400 °C)
   • Magnetic Properties: Superparamagnetic at nanoscale
7. Packaging and Storage
   • Standard Packaging: Sealed in airtight, moisture-resistant containers to prevent contamination and agglomeration
   • Storage Conditions: Store in a cool, dry place; avoid prolonged exposure to air and moisture
   • Shelf Life: Stable under proper storage conditions
8. Safety and Handling
   • Hazards:
     • Iron oxide dust may irritate the respiratory system, skin, and eyes 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).
     • Handle in a ventilated area to minimize airborne particles.

Applications

1. Biomedical Applications
   • Drug Delivery: Used as a carrier for targeted drug delivery systems due to its biocompatibility and superparamagnetic properties.
   • Hyperthermia Treatment: Utilized in cancer therapy through magnetic hyperthermia techniques.
   • MRI Contrast Agents: Acts as a contrast agent in magnetic resonance imaging.
2. Catalysis
   • Environmental Catalysis: Effective in redox reactions for pollutant degradation and air purification.
   • Chemical Catalysis: Utilized in organic and inorganic synthesis processes, including hydrogenation and oxidation.
3. Energy Applications
   • Battery Materials: Applied in lithium-ion and sodium-ion batteries for enhanced electrochemical performance and energy density.
   • Hydrogen Production: Investigated for its role in water splitting and hydrogen storage systems.
4. Sensors
   • Gas Sensors: Highly sensitive to gases such as CO, NOx, and hydrogen, making it ideal for environmental and industrial monitoring.
   • Magnetic Sensors: Utilized in advanced sensing technologies leveraging its magnetic behavior.
5. Nanocomposites
   • Reinforcement Material: Enhances mechanical, thermal, and magnetic properties in composite materials.
   • Functional Additives: Improves catalytic, optical, and thermal performance in polymers, ceramics, and glass.
6. Coatings and Surface Treatments
   • Protective Coatings: Used in anti-corrosion and wear-resistant coatings for metals and industrial tools.
   • Functional Coatings: Applied in electromagnetic shielding and advanced magnetic coatings.
7. Environmental Applications
   • Water Purification: Effective in removing heavy metals, organic pollutants, and other contaminants.
   • Soil Remediation: Used in cleaning and restoring contaminated soils.
8. Research and Development
   • Material Science: Extensively studied for its unique catalytic, magnetic, and optical properties at the nanoscale.
   • Prototype Development: Applied in experimental setups for advanced technologies in energy, medicine, and material science.

Key Features

• High Purity (99.5+%): Ensures superior performance in biomedical, catalytic, and environmental applications.
• Nanoscale Size (20 nm): Provides high surface area and reactivity for advanced applications.
• Gamma Phase: Offers superparamagnetic properties ideal for biomedical, energy, and material science innovations.