Potential contribution to secondary aerosols from benzothiazoles in the atmospheric aqueous phase based on oxidation  and oligomerization mechanisms

Zhang, Qun; Zhou, Wei; Tang, Shanshan; Huang, Kai; Fu, Jie; Yu, Zechen; Teng, Yunhe; Shen, Shuyi; Mei, Yang; Yang, Xuezhi; Fu, Jianjie; Jiang, Guibin

doi:10.5194/acp-25-13475-2025

Articles | Volume 25, issue 20

https://doi.org/10.5194/acp-25-13475-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-25-13475-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 20

Research article

|

23 Oct 2025

Research article |

| 23 Oct 2025

Potential contribution to secondary aerosols from benzothiazoles in the atmospheric aqueous phase based on oxidation and oligomerization mechanisms

Qun Zhang, Wei Zhou, Shanshan Tang, Kai Huang, Jie Fu, Zechen Yu, Yunhe Teng, Shuyi Shen, Yang Mei, Xuezhi Yang, Jianjie Fu, and Guibin Jiang

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Cumulative views and downloads (calculated since 13 Mar 2025)

Month	HTML	PDF	XML	Total
Mar 2025	188	50	16	254
Apr 2025	160	56	12	228
May 2025	128	38	14	180
Jun 2025	90	24	22	136
Jul 2025	70	26	2	98
Aug 2025	372	30	4	406
Sep 2025	1,186	22	2	1,210
Oct 2025	341	54	8	403
Nov 2025	217	53	20	290
Dec 2025	180	85	16	281
Jan 2026	176	83	13	272
Feb 2026	189	72	17	278
Mar 2026	157	82	9	248
Apr 2026	110	77	9	196
May 2026	29	8	1	38

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This article comprehensively investigates the aqueous-phase OH oxidation of benzothiazoles (BTs), common rubber additives widespread in urban air, through laboratory simulation experiments. BTs can rapidly degrade, leading to light absorption, high yields of sulfate, and the formation of oligomerized organic compounds. The results reveal that aqueous-phase BTs can contribute to secondary aerosols, altering the chemical and optical properties of atmospheric particles.