Rate constant for the reaction of OH radical with HFC-365mfc (CF3CH2CF2CH3)

Details Rate constant for the reaction of OH radical with HFC-365mfc (CF3CH2CF2CH3) Rate constant for the reaction of OH radical with HFC-365mfc (CF3CH2CF2CH3)

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995georl..22..389m&link_type=abstract

Geophysical Research Letters, Volume 22, Issue 4, p. 389-392

Physics

3

Atmospheric Composition And Structure: Middle Atmosphere-Composition And Chemistry, Atmospheric Composition And Structure: Troposphere-Composition And Chemistry

Scientific paper

Rate constant for the reaction of OH with HFC-365mfc (CF3CH2CF2CH3) has been measured at a total pressure of 100 Torr, using the laser photolysis-laser induced fluorescence technique. The obtained kinetic data were used to derive the following Arrhenius expression over the temperature range 269-370 K: k=(1.68+/-0.21)×10-12 exp[-(1585+/-80)/T] cm3 molecule-1 s-1. At 298 K, the measured rate coefficient was: k=(8.69+/-0.74)×10-15 cm3 molecule-1 s-1. This study is the first investigation to be reported on this reaction. Using our kinetic data, the tropospheric lifetime of CF3CH2CF2CH3 is estimated to be 7.8 years.

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