Selenium Dioxide is a chemical compound with the formula SeO2. It appears as a white or yellowish solid and is primarily used in various industrial applications, including the production of glass and ceramics. It can also serve as an oxidizing agent in chemical reactions. In addition to its industrial uses, Selenium Dioxide plays a role in organic synthesis, particularly in the oxidation of organic compounds. It is important to handle this compound with care, as it can be toxic and harmful to health if ingested or inhaled.