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Kinetic study of the reaction of IO with CH3SCH3

✍ Scribed by D. Martin; J. L. Jourdain; G. Laverdet; G. Le Bras

Publisher: John Wiley and Sons
Year: 1987
Tongue: English
Weight: 487 KB
Volume: 19
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550190603

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✦ Synopsis

The reaction I 0 + CH,SCH, + products (3) was studied at room temperature and near 1 Torr pressure of He, using the discharge flow mass spectrometric technique. The rate constant was found to be k3 = (1.5 * 0.5) x cm3 molecule-' s-'. CH3S(0)CH3 was detected as a product suggesting the following channel: I 0 + CH,SCH,-+ CH3S(0)CH3 + I. The rate constant of the reaction I 0 + I 0 + products (1) was also measured: k, = (3 5 0.5) x lo-" at 298 K and 1 Torr pressure. The atmospheric implication of reaction (3) is discussed. The results indicate that this reaction could be a potential important sink of CH3SCH3 in marine atmosphere.

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