What is Aluminum Hydroxide (Al(OH)₃) Nanopowder/Nanoparticles?

Aluminum Hydroxide (Al(OH)₃) Nanopowder/Nanoparticles are highly functional nanomaterials known for their flame-retardant, antacid, and chemical stabilizing properties. Due to their high surface area, thermal stability, and non-toxicity, they are widely used in fire-resistant materials, coatings, pharmaceuticals, catalysts, and polymer additives.

Chemical Properties of Aluminum Hydroxide (Al(OH)₃) Nanoparticles

• Chemical Formula: Al(OH)₃
• Molecular Weight: 78.00 g/mol
• Density: ~2.42 g/cm³
• Decomposition Temperature: ~300°C (converts to Al₂O₃)
• Solubility: Insoluble in water, soluble in acids and bases
• pH (in water): ~7-9
• Flame Retardant Effectiveness: Releases water vapor, reducing fire risk
• CAS Number: 21645-51-2

Applications of Aluminum Hydroxide (Al(OH)₃) Nanoparticles

1. Flame Retardants & Fire-Resistant Materials

   • Used as a non-toxic, halogen-free flame retardant in plastics, polymers, rubber, and textiles.
   • Applied in wire and cable insulation, automotive parts, and construction materials.

2. Pharmaceutical & Medical Applications

   • Active ingredient in antacid formulations to neutralize stomach acid.
   • Used in vaccine adjuvants to enhance immune responses.

3. Coatings & Paints

   • Provides UV and corrosion resistance in industrial coatings.
   • Used in self-cleaning surfaces and protective paints.

4. Polymers & Composite Materials

   • Improves mechanical strength and heat resistance in PVC, polyethylene (PE), and polypropylene (PP).
   • Applied in electrical insulation materials and lightweight composites.

5. Catalysts & Chemical Processing

   • Used in petrochemical refining, catalysts for organic synthesis, and adsorbents.
   • Acts as a catalyst carrier for hydrogen production and environmental remediation.

6. Water Treatment & Environmental Applications

   • Used in wastewater treatment to remove heavy metals and phosphates.
   • Applied in acid neutralization and pH regulation in industrial processes.

7. Cosmetics & Personal Care Products

   • Used as a thickening and opacifying agent in lotions, creams, and sunscreen formulations.
   • Acts as an anti-caking agent in powders and deodorants.

8. Abrasives & Polishing Materials

   • Applied in precision polishing compounds, dental pastes, and semiconductor wafer processing.

Aluminum Hydroxide (Al(OH)₃) Nanoparticle Prices

Pricing varies based on purity, particle size, and application-specific modifications.

• Industrial Grade (95-98% Purity): $5 – $50 per kg
• High Purity (99% – 99.9% for Flame Retardants & Pharmaceuticals): $100 – $500 per kg
• Ultra-High Purity (99.99% for Electronics & Research Applications): $1,000 – $3,000 per kg

Prices fluctuate based on market demand, aluminum supply, and synthesis methods.