Chromium(VI) oxide, also known as chromic oxide or chromium trioxide, is a chemical compound with the formula CrO3. It appears as a dark red or purple solid and is highly soluble in water. This compound is primarily used in various industrial applications, including metal finishing, wood preservation, and as a pigment in paints. Due to its toxic nature, chromium(VI) oxide poses significant health risks, including respiratory issues and skin irritation. It is classified as a carcinogen, meaning it can potentially cause cancer. Proper safety measures are essential when handling this compound to minimize exposure and environmental impact.