Aluminum chloride $AlCl3$, aluminum nitrate $Al(NO3)3$, aluminum hydroxide $Al(OH)3$, aluminum oxide $Al2O3$, and sodium aluminate $NaAlO2$ are among the various forms of aluminum compounds. Each of these compounds has unique properties and applications in various industries such as chemical, pharmaceutical, and construction. Aluminum compounds play a significant role in many chemical processes and are essential in the production of a wide range of products.