Industrial Chemicals
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Industrial Chemicals
No.21645-51-2
Aluminium hydroxide, with the chemical formula Al(OH)₃, is a white, odorless powder naturally found in minerals like gibbsite or bauxite. Structurally, it consists of aluminum atoms bonded to hydroxyl (OH⁻) groups, forming a layered crystalline structure. While it is poorly soluble in water, it exhibits amphoteric behavior—meaning it can react with both acids (to form aluminum salts) and strong bases (to form aluminates).This compound is non-toxic, thermally stable, and environmentally benign, making it a versatile ingredient across industries.
Application
1. Flame Retardants in Plastics and Polymers
Electrical cables: Insulation coatings in wires and cables (e.g., PVC-based materials).
Building materials: Fire-resistant panels, carpets, and synthetic rubber.
Automotive parts: Interior components like dashboards and seat foam.
2. Pharmaceuticals and Healthcare
Antacids: Neutralizes stomach acid in over-the-counter medications (e.g., Maalox, Gaviscon).
Vaccine adjuvants: Enhances immune response in some vaccines (e.g., hepatitis B and HPV vaccines).
Dental products: Used in toothpaste as a mild abrasive to remove plaque.
3. Chemicals and Industrial Manufacturing
Precursor for aluminum compounds: Produces aluminum sulfate, aluminum chloride, and alumina (Al₂O₃) for catalysts, ceramics, and water treatment.
Glass and ceramics: Adjusts viscosity in glass production and strengthens ceramic glazes.
4. Water Treatment
Acts as a coagulant in water purification systems, binding to impurities like phosphates and heavy metals for easier filtration.
5. Paper and Pulp Industry
Filler and coating agent: Improves brightness, smoothness, and ink absorption in high-quality paper.
6. Cosmetics and Personal Care
Opacity control: Used in foundations and creams to adjust texture and consistency.
Antiperspirants: Helps block sweat glands in deodorant formulations.
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