Articles | Volume 16, issue 9
Atmos. Chem. Phys., 16, 5595–5610, 2016
https://doi.org/10.5194/acp-16-5595-2016
Atmos. Chem. Phys., 16, 5595–5610, 2016
https://doi.org/10.5194/acp-16-5595-2016

Research article 04 May 2016

Research article | 04 May 2016

Photochemical degradation of isoprene-derived 4,1-nitrooxy enal

Fulizi Xiong et al.

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Here we report on a detailed study of the photochemistry and fate of a nitrooxy enal that is produced from the reaction of NO3 with isoprene. We synthesized the 4,1-nitrooxy enal, purified it, and measured the O3 and OH reaction rate constants, and determined the atmospheric photodissociation rate constant for specified radiation conditions. The determined fast photolysis rate and high reactivity toward OH lead to a lifetime of less than 1 hour, with photolysis being a dominant daytime sink.
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