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Atmospheric chemistry of CF3CF2OCH3

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Publication details

JournalChemical Physics Letters
DateAccepted/In press - 27 Apr 2016
DateE-pub ahead of print - 27 Apr 2016
DatePublished (current) - 1 Jun 2016
Number of pages6
Pages (from-to)149-154
Early online date27/04/16
Original languageEnglish


Smog chamber Fourier transform infrared techniques were used to investigate the kinetics of the reaction of CF3CF2OCH3 with Cl atoms and OH radicals: k(Cl + CF3CF2OCH3) = (1.09 ± 0.16) × 10-13 and k(OH + CF3CF2OCH3) = (1.28 ± 0.19) × 10-14 cm3 molecule-1 s-1 in 700 Torr total pressure of N2/O2 at 296 ± 2 K. The Cl-initiated oxidation of CF3CF2OCH3 gives CF3CF2OCHO in a yield indistinguishable from 100%. An estimate of k(Cl + CF3CF2OCHO) = (1.18 ± 0.34) × 10-14 cm3 molecule-1 s-1 is provided. Based on the OH reaction rate, the atmospheric lifetime of CF3CF2OCH3 is estimated to be 5.0 years. The 100-year time horizon global warming potential of CF3CF2OCH3 is estimated to be 585. The atmospheric impact of CF3CF2OCH3 is discussed.

    Research areas

  • Atmospheric fate, Cl atoms, Gas phase reactions, Global warming potential, Kinetics, OH radicals, Oxidation products

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