Al(C₂H₃O₂)₃, also known as aluminum acetate, is a chemical compound composed of aluminum and acetate ions. It appears as a white or yellowish solid and is often used in various applications, including as a mordant in dyeing processes, in pharmaceuticals, and in some food products. Aluminum acetate can also be used in aqueous solutions for its astringent properties in medical treatments. Its chemical structure consists of one aluminum ion surrounded by three acetate groups.