Cyclopentene

Cyclopentene is a chemical compound with the formula C5H8. It is a colorless liquid with a petrol-like odor. It is one of the cycloalkenes. Cyclopentene is produced industrially in large amounts. It is used as a monomer for synthesis of plastics, and in a number of chemical syntheses. It can be obtained from vinylcyclopropane in the vinylcyclopropane-cyclopentene rearrangement. [Cyclopentene. Wikipedia]