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 amounts of other oxides or non-metallic elements)
- Particle Size
- Average Size: ~50 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
- Surface Area: High, enhancing adsorption and thermal reactivity
- Crystal Structure
- Phase: Bayerite or gibbsite phase, depending on synthesis conditions
- Physical and Chemical Properties
- Color: White powder
- Density: ~2.42 g/cm³
- Decomposition Temperature: Decomposes at ~300 °C, producing aluminum oxide (Al₂O₃) and water vapor
- Solubility: Insoluble in water but reactive with acids and alkalis
- Packaging and Storage
- Standard Packaging: Sealed in airtight, moisture-resistant containers to prevent contamination
- 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:
- 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 and avoid generating airborne dust.
- 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 vapor upon heating, reducing flammability.
- Construction Applications: Integrated into building materials to improve fire resistance.
- Catalysis
- Catalyst Support: Acts as a stable support material for catalysts in chemical and petrochemical reactions.
- Catalytic Applications: Used in reactions such as dehydration and hydrogenation.
- Adsorption and Environmental Applications
- Pollutant Removal: Effective in adsorbing heavy metals, organic pollutants, and gases in water and air purification.
- Industrial Filtration: Used in environmental remediation to capture contaminants.
- Energy Applications
- Battery Materials: Studied for applications in rechargeable batteries to enhance thermal and chemical stability.
- Hydrogen Storage: Potential material for water splitting and hydrogen production systems.
- Coatings and Surface Treatments
- Protective Coatings: Enhances durability, corrosion resistance, and fire resistance in industrial coatings.
- Thermal Insulation: Used in coatings for heat-resistant applications.
- Nanocomposites
- Reinforcement Material: Improves thermal, mechanical, and fire-resistant properties of composite materials such as polymers and ceramics.
- Lightweight Components: Applied in aerospace and automotive industries for lightweight, fire-resistant structures.
- Biomedical Applications
- Pharmaceutical Additive: Used as an active ingredient in antacids and as a filler in drug formulations.
- Drug Delivery: Explored as a carrier for controlled drug delivery systems.
- Polishing and Abrasives
- Precision Polishing: Utilized in polishing metals, semiconductors, and optical components.
- Abrasive Tools: Incorporated into fine abrasives for high-precision applications.
- Research and Development
- Material Science: Extensively studied in laboratories for its thermal, mechanical, and adsorption properties.
- Prototype Development: Ideal for testing advanced materials in catalysis, coatings, and energy systems.
Key Features
- High purity (99.9%) ensures excellent performance across diverse industrial and scientific applications.
- Nanoscale size (~50 nm) enhances surface reactivity, adsorption, and flame-retardant properties.
- Versatile use in environmental remediation, catalysis, coatings, and composite materials.