Trigonox 425-CH75

Product Line Organic peroxides

Trigonox 425-CH75 is an initiator for (co)polymerization of ethylene, vinyl chloride, vinylidine chloride and (meth)acrylates.

  • Brand

  • Chemical family

    Organic peroxide
  • CAS number

  • Physical form

  • Regional availability

    Latin America, North America
  • Chemical name

    1,1,3,3-Tetramethylbutyl peroxypivalate, 75% solution in odorless mineral spirits
  • Molecular drawing

    Organic peroxide
  • Applications

    Trigonox 425-CH75 is an efficient initiator for the ethylene polymerization under high pressure in both autoclave and tubular processes. To obtain a wide spectrum of polymerization temperatures, combinations with other peroxides are applied in practice. Depending on reaction conditions, Trigonox 425-CH75 is active in the temperature range of 150-200°C.

Market Segments

Polymer production

Detailed description

Trigonox 425-CH75 is an initiator (75% active ingredient in odorless mineral spirits) for (co)polymerization of ethylene, vinyl chloride, vinylidine chloride acrylates and methacrylates.


  • Polymerization initiator


  • LDPE,
  • PVC
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