cyclopenteneC₅H₈100%cyclopentene, cyclopenteneSpace reserved for adsPhysical characteristicsMolecular mass 68.1Density 771 g/m³Melting point -135 ℃-211 ℉138 K Boiling point 43.9 ℃111 ℉317 K Reactions using cyclopentenecyclopentene + 3-chlorobenzene-1-carboperoxoic acid → 6-oxabicyclo[3.1.0]hexane + 3-chlorobenzoic acidCompound added to the database on August 4, 2022, last modified on August 4, 2022.