Other Trading Names:

  • 1,3-Dicyclopentadiene
  • Bicyclopentadiene

CAS Number: 77-73-6

HS Code: 2902199090

Types of Packaging:

  • 200kg/Drum
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Availability: In stock

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Colorless transparent liquid or white crystals

Purity (GC)


Color (Pt-Co)



970-985 kg/m3



Boiling point

170 °C (338 °F; 443 K)

Melting point

32.5 °C (90.5 °F; 305.6 K)

Chemical Description:

  • Dicyclopentadiene is a chemical compound with the molecular formula C10H12.
  • It is a colorless, crystalline solid with a camphor-like odor.
  • This compound is classified as a diene, meaning it has two double bonds.
  • It is a dimer of cyclopentadiene, formed through a Diels-Alder reaction.
  • Dicyclopentadiene is commonly abbreviated as DCPD.
  • The chemical structure consists of two fused cyclopentadiene rings.
  • It has a melting point of 32°C (90°F) and a boiling point of 170°C (338°F).
  • Dicyclopentadiene is known for its high reactivity due to the presence of double bonds.
  • It is often used as a monomer in the production of various polymers.
  • One of its primary applications is in the manufacturing of unsaturated polyester resins.
  • Dicyclopentadiene is also used to produce hydrocarbon resins.
  • It serves as a precursor in the synthesis of pesticides, flame retardants, and other chemicals.
  • In the presence of heat, Dicyclopentadiene can depolymerize back into cyclopentadiene.
  • It is insoluble in water but soluble in organic solvents like benzene, toluene, and chloroform.
  • The compound can undergo further polymerization reactions to form high-performance materials.
  • It is frequently used in the production of specialty chemicals due to its versatile reactivity.
  • Handling Dicyclopentadiene requires caution due to its flammable nature.
  • It should be stored in a cool, well-ventilated area away from sources of ignition.
  • Exposure to Dicyclopentadiene can cause irritation to the skin, eyes, and respiratory system.
  • Personal protective equipment such as gloves and goggles is recommended when handling it.
  • Dicyclopentadiene is also employed in the production of ethylene-propylene-diene monomer (EPDM) rubber.
  • The compound plays a crucial role in the synthesis of insecticides and fungicides.
  • It can act as a cross-linking agent in various polymerization processes.
  • Dicyclopentadiene is involved in the production of adhesives and sealants.
  • It contributes to the creation of coatings and varnishes due to its chemical properties.
  • The compound's unique structure makes it useful in creating copolymers.
  • It is also used in the automotive industry for the production of lightweight, high-strength components.
  • Research continues into expanding the applications of Dicyclopentadiene in advanced materials.
  • Proper disposal of Dicyclopentadiene is necessary to prevent environmental contamination.
  • It is subject to regulations governing the handling and transportation of hazardous chemicals.
  • Advances in catalysis have improved the efficiency of Dicyclopentadiene polymerization.
  • The compound is a critical raw material in the chemical industry's supply chain.
  • Innovations in Dicyclopentadiene derivatives are expanding its utility in various fields.
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