Product description

Chemical name: N,N'-Di-sec-butyl-p-phenylenediamine
Molecular weight: 220

Eastman Santoflex 44PD is an diamine-based antioxidant particularly effective for gasoline produced by cracking or pyrolysis (high olefin content gasoline) and as an effective polymerization inhibitor.

Santoflex 44PD also acts as a high activity antiozonant to protect natural and synthetic elastomer compounds, particularly in static applications for compounds containing no wax.


  • Polymer modification
  • Tires
  • Water treatment industrial

    Regulatory information and data sheets

    Product availability

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