Technical Specifications
- Product Name: Aluminum Hydroxide Nanopowder
- Chemical Formula: Al(OH)₃ (Aluminum Hydroxide)
- CAS Number: 21645-51-2
- Purity
- Grade: 99.9% (high purity)
- Impurities: ≤0.1% (trace oxides or non-metallic elements)
- Particle Size
- Average Size: ~10 nm
- Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
- Morphology
- Shape: Near-spherical or irregular particles depending on synthesis method
- Surface Area: Extremely high due to nanoscale dimensions, enhancing reactivity and adsorption properties
- Crystal Structure
- Phase: Bayerite or gibbsite phase, depending on synthesis and processing conditions
- Physical and Chemical Properties
- Color: White powder
- Density: ~2.42 g/cm³
- Decomposition Temperature: Decomposes at ~300 °C, yielding aluminum oxide (Al₂O₃) and releasing water
- Solubility: Insoluble in water but reacts with acids and bases
- Packaging and Storage
- Standard Packaging: Sealed in airtight, moisture-resistant containers to prevent contamination and moisture absorption
- Storage Conditions: Store in a cool, dry place; avoid prolonged exposure to air or moisture
- Shelf Life: Stable under proper storage conditions
- Safety and Handling
- Hazards:
- Aluminum hydroxide dust may cause respiratory irritation if inhaled.
- Non-combustible but can release water and evolve heat upon decomposition.
- Recommended Protective Measures:
- Use PPE (e.g., gloves, goggles, and dust masks).
- Ensure proper ventilation to minimize dust exposure.
- Hazards:
Applications
- Flame Retardants
- Fireproof Materials: Widely used as a flame retardant additive in polymers, coatings, and textiles due to its ability to release water upon heating, cooling the material and reducing flammability.
- Construction Materials: Incorporated into building materials to improve fire resistance.
- Catalysis
- Catalyst Support: Acts as a support material for various catalysts in industrial chemical reactions.
- Catalytic Applications: Used in dehydration and dehydrogenation reactions.
- Adsorption and Filtration
- Pollutant Adsorption: Effective for removing impurities from water and air, including heavy metals and organic compounds.
- Environmental Applications: Applied in wastewater treatment and pollutant capture.
- Energy Applications
- Battery Components: Aluminum hydroxide nanoparticles are being explored for energy storage applications, including rechargeable batteries.
- Hydrogen Production: Studied as a material for water splitting and hydrogen storage systems.
- Coatings and Surface Treatments
- Protective Coatings: Enhances corrosion resistance and durability in coatings.
- Thermal Insulation: Used in heat-resistant and insulating coatings.
- Nanocomposites
- Reinforcement Material: Improves thermal, mechanical, and fire-resistant properties of composites in polymers, ceramics, and metals.
- Lightweight Structures: Suitable for aerospace and automotive applications requiring fire-resistant, lightweight materials.
- Biomedical Applications
- Pharmaceutical Additives: Used as an antacid and a base in drug formulations.
- Drug Delivery: Investigated as a carrier for controlled drug delivery and targeted therapies.
- Research and Development
- Material Science: Aluminum hydroxide nanomaterials are extensively studied for their thermal, chemical, and mechanical properties.
- Prototype Development: Used in experimental projects involving catalysis, coatings, and energy systems.
Key Features
- High purity (99.9%) and nanoscale size (~10 nm) ensure excellent reactivity and versatility.
- Flame retardant properties make it essential for fireproofing materials and coatings.
- Applications range from environmental remediation to biomedical and industrial uses.