Cyclopentadiene is an organic compound with the formula C5H6. This colorless liquid has a strong and unpleasant odor. At room temperature, this cyclic diene dimerizes over the course of hours to give dicyclopentadiene via a Diels–Alder reaction. This dimer can be restored by heating to give the monomer. The compound is mainly used for the produc...
C5H6 Molar mass: 66.10114
a colorless liquid, CH, derived by the distillation of coal tar: used chiefly in the manufacture of insecticides and resins.