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Formation of 3-Methylfuran from the gas-phase reaction of OH radicals with isoprene and the rate constant for its reaction with the OH radical

โœ Scribed by Roger Atkinson; Sara M. Aschmann; Ernesto C. Tuazon; Janet Arey; Barbara Zielinska

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
590 KB
Volume
21
Category
Article
ISSN
0538-8066

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โœฆ Synopsis

3-Methylfuran has been identified as a product of the gas-phase reaction of the OH radical with isoprene, and under simulated atmospheric conditions a formation yield of 0.044 -t 0.006 was determined. In an analogous manner, the OH radical reaction with 1,3-butadiene formed furan with a yield of 0.039 ? 0.011. Using a relative rate method, a rate constant for the reaction of the OH radical with 3-methylfuran of 9.35 x lo-" cm3 molecule-' s-l (with an estimated overall uncertainty of 220%) at 296 * 2 K was also determined. These data show that 3-methylfuran is a reactive compound which will be present in the troposphere at concentrations 55% of those of its isoprene precursor.

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