Aluminum stearate is a chemical compound formed from aluminum and stearic acid. It has a waxy or powdery appearance and is widely used for various industrial purposes. Here are some key details:

Chemical Formula: Al(C18H35O2)3

Properties:
1. White or pale yellow solid.
2. Insoluble in water, but soluble in oils and some organic solvents.
3. Hydrophobic and has thickening, lubricating, and stabilizing properties.

Uses:
1. Lubricant: Acts as a lubricant in plastics, rubber, and other industrial processes.
2. Thickener: Used in paints, varnishes, and inks to adjust viscosity.
3. Waterproofing Agent: Applied to fabrics, paper, and other materials to enhance water resistance.
4. Cosmetics and Pharmaceuticals: Functions as an emulsifier or stabilizer in products like ointments and creams.
5. Grease: A key component in some greases, helping maintain consistency and stability.

Safety: Generally considered safe, but inhalation of its dust in large quantities should be avoided as it may irritate the respiratory system.