Trigonox 99-W50

Product Line Organic peroxides

Trigonox® 99-W50 is a polymerization initiator for (co)polymerization of vinyl chloride and vinylidene chloride.

  • Brand

  • Chemical family

    Organic peroxide
  • CAS number

  • Physical form

  • Regional availability

    Asia, Asia Pacific, China, Latin America, North America
  • Molecular Weight

  • Concentration

  • Chemical name

    Cumyl peroxyneodecanoate
  • Molecular drawing

    Organic peroxide
  • Applications

    Trigonox® 99-W50 is used as an initiator for the suspension and mass polymerization of vinyl chloride between 40°C and 65°C. Trigonox® 99-W50 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

Trigonox® 99-W50 (50% emulsion in water and methanol) for (co)polymerization of vinyl chloride and vinylidine chloride.


  • Polymerization initiator


  • PVC
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