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

Xiong, Fulizi; Borca, Carlos H.; Slipchenko, Lyudmila V.; Shepson, Paul B.

doi:https://doi.org/10.5194/acp-16-5595-2016

Articles | Volume 16, issue 9

https://doi.org/10.5194/acp-16-5595-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-5595-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 9

Research article

|

04 May 2016

Research article |

| 04 May 2016

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

Fulizi Xiong, Carlos H. Borca, Lyudmila V. Slipchenko, and Paul B. Shepson

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Final revised paper (published on 04 May 2016)
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Preprint (discussion started on 08 Feb 2016)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of F. Xiong et al.', J.-F. Müller, 18 Feb 2016
RC2: 'review of manuscript by Xiong et al.', Anonymous Referee #2, 17 Mar 2016
AC1: 'Final Response', Paul B. Shepson, 18 Apr 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Paul B. Shepson on behalf of the Authors (18 Apr 2016) Author's response Manuscript

ED: Publish as is (25 Apr 2016) by Thorsten Bartels-Rausch

AR by Paul B. Shepson on behalf of the Authors (26 Apr 2016)

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Short summary

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.