Pentene is a type of hydrocarbon that belongs to the alkene family, characterized by having at least one double bond between carbon atoms. Its chemical formula is C5H10, indicating it contains five carbon atoms and ten hydrogen atoms. Pentene exists in several isomeric forms, including 1-pentene, 2-pentene, and isopentene, each differing in the position of the double bond. Pentene is commonly used in the production of various chemicals and plastics. It serves as a key building block in the synthesis of polyethylene, a widely used plastic, and is also involved in the manufacture of other industrial chemicals. Its versatility makes it important in the chemical industry.