Aluminum Hydroxide Nanopowder (Al(OH)3, 99.9%, 100nm)

Technical Specifications

1. Product Name: Aluminum Hydroxide Nanopowder
   • Chemical Formula: Al(OH)₃ (Aluminum Hydroxide)
   • CAS Number: 21645-51-2
2. Purity
   • Grade: 99.9% (high purity)
   • Impurities: ≤0.1% (trace amounts of other oxides or non-metallic elements)
3. Particle Size
   • Average Size: ~100 nm
   • Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Morphology
   • Shape: Near-spherical or irregular particles, depending on synthesis
   • Surface Area: Moderate, providing good reactivity for adsorption and catalytic applications
5. Crystal Structure
   • Phase: Bayerite or gibbsite phase, depending on synthesis and processing conditions
6. Physical and Chemical Properties
   • Color: White powder
   • Density: ~2.42 g/cm³
   • Decomposition Temperature: Decomposes at ~300 °C, releasing water and converting to aluminum oxide (Al₂O₃)
   • Solubility: Insoluble in water but reactive with acids and bases
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 exposure to air and moisture
   • Shelf Life: Stable under proper storage conditions
8. Safety and Handling
   • Hazards:
     • Aluminum hydroxide dust may irritate the respiratory system and eyes if inhaled or exposed.
     • Non-combustible but releases water and heat upon decomposition.
   • Recommended Protective Measures:
     • Use PPE (e.g., gloves, goggles, and dust masks).
     • Ensure proper ventilation during handling to minimize airborne dust.

Applications

1. Flame Retardants
   • Fireproof Materials: Widely used as a flame retardant additive in plastics, coatings, and textiles due to its ability to release water vapor upon heating, reducing flammability.
   • Construction Materials: Incorporated into building materials to enhance fire resistance.
2. Catalysis
   • Catalyst Support: Acts as a support material for various industrial catalysts, including those in chemical and petrochemical processes.
   • Catalytic Applications: Applied in dehydration, hydrogenation, and other catalytic reactions.
3. Adsorption and Environmental Applications
   • Pollutant Removal: Effective in adsorbing heavy metals, organic compounds, and gaseous pollutants for environmental remediation.
   • Filtration Systems: Used in water and air purification systems to remove contaminants.
4. Energy Applications
   • Battery Materials: Enhances thermal and chemical stability in battery components, including lithium-ion batteries.
   • Hydrogen Storage: Investigated for its potential in water splitting and hydrogen production systems.
5. Coatings and Surface Treatments
   • Protective Coatings: Enhances durability, corrosion resistance, and fire resistance in industrial coatings.
   • Thermal Insulation: Used in heat-resistant coatings for high-temperature environments.
6. Nanocomposites
   • Reinforcement Additive: Improves the thermal, mechanical, and flame-retardant properties of composite materials in polymers, ceramics, and metals.
   • Lightweight Structures: Suitable for aerospace and automotive applications requiring lightweight, fire-resistant materials.
7. Biomedical Applications
   • Pharmaceutical Additive: Used as an active ingredient in antacids and as a filler in drug formulations.
   • Drug Delivery: Explored for controlled drug release and targeted delivery systems.
8. Polishing and Abrasives
   • Precision Polishing: Used in polishing metals, semiconductors, and optical lenses.
   • Abrasive Tools: Incorporated into fine abrasives for high-precision applications.
9. Research and Development
   • Material Science: Extensively used in studies focusing on adsorption, flame retardancy, and nanoscale material behavior.
   • Prototype Development: Applied in developing advanced coatings, catalysis systems, and energy solutions.

Key Features

• High purity (99.9%) ensures excellent performance in industrial, environmental, and scientific applications.
• Nanoscale size (~100 nm) provides moderate surface area and reactivity for enhanced functionality.
• Widely used in flame retardants, catalysis, coatings, and composite reinforcement applications.