Trigonox 99-WE50

Product Line Organic peroxides

Organic peroxide

Initiator for (co)polymerization of vinyl chloride and vinylidene chloride.

  • Product name

    Trigonox 99-WE50
  • Brand

  • Chemical family

    Organic peroxide
  • CAS number

  • Physical form

  • Regional availability

    Asia Pacific, Latin America, North America
  • Chemical name

    Cumyl peroxyneodecanoate
  • Molecular Weight

  • Concentration

  • Applications

    Polymerization of vinyl chloride: Trigonox 99-WE50 is used as an initiator for the suspension and mass polymerization of vinyl chloride between 40°C and 65°C. Trigonox 99-WE50 is often combined with less active peroxides such as peroxydicarbonates (e.g. Perkadox 16) or diacylperoxides (e.g. Laurox) to increase reactor efficiency. Reasons to use a water-based peroxide emulsion instead of a solvent-based peroxide are the following: enhanced safety, easy to use (pumpable) in ‘closed reactor technology’, easy to dilute with water

Market Segments

Polymer production

Detailed description

Initiator (75% active ingredient in water) for (co)polymerization of vinyl chloride and vinylidine chloride.


  • Polymerization initiator


  • PVC
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