Gasoline Antioxidant 44PD also known as (di-sec-butyl-p-phenylene diamine) is an amine based extremely versatile gasoline antioxidant and diesel antioxidant/stabilizer.

What are the benefits and the features?

44PD reduces gum formation and improves storage stability in many finished gasolines, diesels and their blending components. It is extremely effective as a stabilizer for diesel and high olefin content gasoline blend components, including pyrolysis gasoline, FCC and coker naphtha. It stabilizes lead alkyl antiknock additives in blended fuels, increases the oxygen stability of finished fuels and blend components, and it accelerates inhibitor-sweetening reactions in sour gasoline, enhancing the quality of finished products.


  • Gasoline Antioxidant