3-hexene is an organic compound classified as an alkene, which means it contains a carbon-carbon double bond. Its chemical formula is C6H12, indicating it has six carbon atoms and twelve hydrogen atoms. The "3" in its name refers to the position of the double bond, which is located between the third and fourth carbon atoms in the chain. This compound is a colorless liquid at room temperature and is used in various chemical reactions, including polymerization. 3-hexene can be found in some industrial applications and is important in the production of other chemicals and materials.