Trigonox 423-W50

Product Line Organic peroxides

Trigonox 423-W50 is an initiator for (co)polymerization of vinyl chloride and vinylidine chloride.

  • Brand

  • Chemical family

    Organic peroxide
  • CAS number

  • Physical form

  • Regional availability

    Asia Pacific, Europe
  • Molecular Weight

  • Chemical name

    1,1,3,3-Tetramethylbutyl peroxyneodecanoate
  • Molecular drawing

    Organic peroxide
  • Applications

    Polymerization of vinyl chloride: Trigonox 423-W50 is a highly active initiator for the suspension polymerization of vinylchloride in the temperature range between 40°C and 65°C. Trigonox 423-W50 is often combined with less reactive initiators, 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 423-W50 is an initiator (50% water-based emulsion) for (co)polymerization of vinyl chloride and vinylidine chloride.


  • Polymerization initiator


  • PVC
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