C8 monomers - Building blocks for your synthesis


Evonik is a leader in the production of industrially available cyclic C8 monomers and offers the four most important synthetic chemicals 1,5-cyclooctadiene (COD), cyclooctene (COE), cyclooctane (COAN), and 4-vinylcyclohex-1-ene (VCH).


We offer the world’s widest range of technically available cyclic C8 building blocks that are widely used in the areas of

  • coatings and plastics

  • fragrances

  • flavors

  • flame retardation

  • light protection

  • solvents, and as

  • chemical intermediates

Our range of C8 monomers

Our regular product range comprises

  • 1,5-Cyclooctadiene (COD)

  • Cyclooctene (COE)

  • Vinylcyclohexene (VCH), technical,> 98%; pure,> 99.8%

The following synthesis components are only available upon request in adequate minimum amount:

  • Cyclooctane (COAN)