CrCl3·6H2O, or chromium(III) chloride hexahydrate, is a chemical compound consisting of chromium, chlorine, and water molecules. It appears as a greenish or purple solid and is commonly used in various industrial applications, including dyeing and as a catalyst in chemical reactions. The "6H2O" indicates that each formula unit contains six water molecules, which are essential for its stability and solubility. This compound is often utilized in laboratories for synthesizing other chromium compounds and in the production of chromium salts. It can also serve as a source of chromium(III) ions in various chemical processes. Proper handling and storage are important due to its potential health hazards.