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Cyclopentene

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Cyclopentene
Cyclopentene
Cyclopentene
Ball-and-stick model of cyclopentene
Ball-and-stick model of cyclopentene
Space-filling model of cyclopentene
Names
IUPAC name
Cyclopentene
Identifiers
3D model (JSmol)
ECHA InfoCard 100.005.030 Edit this at Wikidata
  • C1=CCCC1
Properties
C5H8
Molar mass 68.11 g/mol
Density 0.744 g/cm3
Melting point -135 °C
Boiling point 44 °C
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasolineInstability (yellow): no hazard codeSpecial hazards (white): no code
1
3
Flash point -29 °C
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cyclopentene is a chemical compound with the formula Template:Carbon5Template:Hydrogen8. 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.

References


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