Articles | Volume 23, issue 22
https://doi.org/10.5194/acp-23-14307-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-14307-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Volatile oxidation products and secondary organosiloxane aerosol from D5 + OH at varying OH exposures
Hyun Gu Kang
Multiphase Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Yanfang Chen
Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, 08826 Seoul, South Korea
Yoojin Park
Department of Environmental Science and Engineering, College of Engineering, Ewha Womans University, 03760 Seoul, South Korea
Multiphase Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, 08826 Seoul, South Korea
Institute of Health and Environment, Graduate School of Public Health, Seoul National University, 08826 Seoul, South Korea
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Cited
13 citations as recorded by crossref.
- Tracking Oxidized Volatile Methyl Siloxanes in New York City in Summertime J. Meepage et al. https://doi.org/10.1021/acsestair.6c00134
- Quantifying ambient concentration and emission profile of D5-siloxane of a residential neighborhood in the Greater Houston area K. McCary et al. https://doi.org/10.1039/D4EM00804A
- Surface Crust Formation Controls Evaporation Kinetics of Secondary Organic Aerosols M. Schervish et al. https://doi.org/10.1021/acs.est.5c11018
- Atmospheric chemistry of volatile methyl siloxanes E. Browne et al. https://doi.org/10.1038/s41570-026-00862-3
- Secondary organic aerosol formation from early-generation oxidation products of decamethylcyclopentasiloxane depends on seed aerosol composition H. Lewine et al. https://doi.org/10.1039/D5EA00063G
- Decamethylcyclopentasiloxane (D5) Oxidation: Product Chemistry, Influence of RO2 Fate, and Secondary Aerosol Production S. Mohammadi et al. https://doi.org/10.1021/acsestair.6c00037
- Representing Ozone Formation from Volatile Chemical Products (VCP) in Carbon Bond (CB) Chemical Mechanisms G. Yarwood & K. Tuite https://doi.org/10.3390/atmos15020178
- Structure dependent yield and volatility changes of Secondary organosiloxane aerosol (SOSiA) from OH oxidation of various cyclic volatile methyl siloxanes H. Kang et al. https://doi.org/10.1016/j.atmosenv.2026.122357
- Multiphase Chemistry and Phase State Explain Nonlinear Effects in the Formation and Evaporation of SOA from Mixed Monoterpene Precursors H. Kang et al. https://doi.org/10.1021/acsestair.5c00438
- Atmospheric oxidation of dimethylsiloxanes, a source of Si=O double bonds? C. Rücker et al. https://doi.org/10.1007/s11356-025-37108-6
- Dynamic Emissions and Secondary Organic Aerosol Formation from Real Personal Care Products: New Insights into Siloxane-Containing Molecules M. Liu et al. https://doi.org/10.1021/acs.est.6c01173
- Evaporation-Induced Transformations in Volatile Chemical Product-Derived Secondary Organic Aerosols: Browning Effects and Alterations in Oxidative Reactivity L. Zhou et al. https://doi.org/10.1021/acs.est.4c02316
- Rate Coefficients for the Cl Atom Gas‐Phase Reaction With Permethylsiloxanes (PMS): L2, L3, L4, L5, D3, D4, D5, and D6 D. Van Hoomissen et al. https://doi.org/10.1002/kin.21770
13 citations as recorded by crossref.
- Tracking Oxidized Volatile Methyl Siloxanes in New York City in Summertime J. Meepage et al. https://doi.org/10.1021/acsestair.6c00134
- Quantifying ambient concentration and emission profile of D5-siloxane of a residential neighborhood in the Greater Houston area K. McCary et al. https://doi.org/10.1039/D4EM00804A
- Surface Crust Formation Controls Evaporation Kinetics of Secondary Organic Aerosols M. Schervish et al. https://doi.org/10.1021/acs.est.5c11018
- Atmospheric chemistry of volatile methyl siloxanes E. Browne et al. https://doi.org/10.1038/s41570-026-00862-3
- Secondary organic aerosol formation from early-generation oxidation products of decamethylcyclopentasiloxane depends on seed aerosol composition H. Lewine et al. https://doi.org/10.1039/D5EA00063G
- Decamethylcyclopentasiloxane (D5) Oxidation: Product Chemistry, Influence of RO2 Fate, and Secondary Aerosol Production S. Mohammadi et al. https://doi.org/10.1021/acsestair.6c00037
- Representing Ozone Formation from Volatile Chemical Products (VCP) in Carbon Bond (CB) Chemical Mechanisms G. Yarwood & K. Tuite https://doi.org/10.3390/atmos15020178
- Structure dependent yield and volatility changes of Secondary organosiloxane aerosol (SOSiA) from OH oxidation of various cyclic volatile methyl siloxanes H. Kang et al. https://doi.org/10.1016/j.atmosenv.2026.122357
- Multiphase Chemistry and Phase State Explain Nonlinear Effects in the Formation and Evaporation of SOA from Mixed Monoterpene Precursors H. Kang et al. https://doi.org/10.1021/acsestair.5c00438
- Atmospheric oxidation of dimethylsiloxanes, a source of Si=O double bonds? C. Rücker et al. https://doi.org/10.1007/s11356-025-37108-6
- Dynamic Emissions and Secondary Organic Aerosol Formation from Real Personal Care Products: New Insights into Siloxane-Containing Molecules M. Liu et al. https://doi.org/10.1021/acs.est.6c01173
- Evaporation-Induced Transformations in Volatile Chemical Product-Derived Secondary Organic Aerosols: Browning Effects and Alterations in Oxidative Reactivity L. Zhou et al. https://doi.org/10.1021/acs.est.4c02316
- Rate Coefficients for the Cl Atom Gas‐Phase Reaction With Permethylsiloxanes (PMS): L2, L3, L4, L5, D3, D4, D5, and D6 D. Van Hoomissen et al. https://doi.org/10.1002/kin.21770
Saved (final revised paper)
Latest update: 18 Sep 2026
Short summary
D5 is an emerging anthropogenic pollutant that is ubiquitous in indoor and urban environments, and the OH oxidation of D5 forms secondary organosiloxane aerosol (SOSiA). Application of a kinetic box model that uses a volatility basis set (VBS) showed that consideration of oxidative aging (aging-VBS) predicts SOSiA formation much better than using a standard-VBS model. Ageing-dependent parameterization is needed to accurately model SOSiA to assess the implications of siloxanes for air quality.
D5 is an emerging anthropogenic pollutant that is ubiquitous in indoor and urban environments,...
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