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

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

doi: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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Jun 2016	10	10	1	21
Jul 2016	12	11	1	24
Aug 2016	13	2	0	15
Sep 2016	10	7	0	17
Oct 2016	9	5	2	16
Nov 2016	12	5	0	17
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Mar 2017	19	18	2	39
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Jan 2020	6	5	0	11
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Jul 2024	17	4	3	24
Aug 2024	20	9	3	32
Sep 2024	11	8	0	19
Oct 2024	14	7	0	21
Nov 2024	7	6	2	15
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Jan 2025	16	5	3	24
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Apr 2025	26	15	0	41
May 2025	21	5	0	26
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Aug 2025	31	19	0	50
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Nov 2025	23	8	3	34

Cumulative views and downloads (calculated since 08 Feb 2016)

Month	HTML	PDF	XML	Total
Feb 2016	158	57	4	219
Mar 2016	30	14	0	44
Apr 2016	25	6	0	31
May 2016	133	59	4	196
Jun 2016	10	10	1	21
Jul 2016	12	11	1	24
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Sep 2016	10	7	0	17
Oct 2016	9	5	2	16
Nov 2016	12	5	0	17
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May 2017	26	19	0	45
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May 2023	33	6	0	39
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Oct 2023	41	3	2	46
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Jan 2024	36	4	1	41
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Mar 2024	37	15	1	53
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Aug 2025	31	19	0	50
Sep 2025	27	16	2	45
Oct 2025	25	26	2	53
Nov 2025	23	8	3	34

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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.