Articles | Volume 24, issue 2
https://doi.org/10.5194/acp-24-1299-2024
© Author(s) 2024. 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-24-1299-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 Jan 2024
Research article |
| 30 Jan 2024
| 30 Jan 2024
Chamber studies of OH + dimethyl sulfoxide and dimethyl disulfide: insights into the dimethyl sulfide oxidation mechanism
Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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Cited
18 citations as recorded by crossref.
- Dimethyl Sulfide Oxidation at 400 – 545 K: Mass Spectrometric Characterization of Hydroperoxymethyl Thioformate (HPMTF) and Measurement of the CH3SCH2O2 → CH2SCH2OOH Rate Coefficient A. Kjaersgaard et al. https://doi.org/10.1021/acs.jpca.5c06279
- Role of Selenium in Production of Reactive Oxygen Species from Aqueous Processing of Dimethyl Selenide-Derived Secondary Aerosols M. Lum et al. https://doi.org/10.1021/acs.est.5c13687
- Dimethyl sulfide chemistry over the industrial era: comparison of key oxidation mechanisms and long-term observations U. Jongebloed et al. https://doi.org/10.5194/acp-25-4083-2025
- Quantitative Kinetics of the Hydrogen Shift Reaction of Methylthiomethyl Peroxy Radical (CH3SCH2OO) in the Atmosphere Y. Xia et al. https://doi.org/10.1021/acs.jpca.4c06818
- Marine upper-tropospheric rapid particle formation dominated by methanesulfonic acid A. Ning et al. https://doi.org/10.1073/pnas.2606521123
- Role of methanesulfonic acid in atmospheric particle nucleation and growth R. Baalbaki et al. https://doi.org/10.1038/s41586-026-10810-2
- Aerosolisation of microalgae: unveiling dimethyl-sulfide emissions during bubbling B. Rosati et al. https://doi.org/10.1038/s41612-025-01305-4
- Role of oceanic biogenic emissions of dimethyl sulfide in air sulfur chemistry along the southeastern Pacific Chilean coast E. Pino-Cortés et al. https://doi.org/10.1016/j.apr.2026.103089
- Gasphasenbildung von Schwefliger Säure (H2SO3) in der Atmosphäre T. Berndt et al. https://doi.org/10.1002/ange.202405572
- Perhemiacetal formation and Cl/NO3-initiated chemistry of hydroperoxymethylthioformate (HPMTF) in atmospheric DMS oxidation L. Vereecken et al. https://doi.org/10.1039/D4EA00134F
- Gas‐Phase Formation of Sulfurous Acid (H2SO3) in the Atmosphere T. Berndt et al. https://doi.org/10.1002/anie.202405572
- Methanesulfonic acid (MSA) and SO3 formation from the addition channel of atmospheric dimethyl sulfide oxidation T. Berndt https://doi.org/10.1039/D4CC05913A
- Effect of Whey Protein Changes on Milk Flavor and Sensory Characteristics During Heating Z. Zhang et al. https://doi.org/10.3390/foods14010033
- Determining the key sources of uncertainty in dimethyl sulfide and methanethiol oxidation under tropical, temperate, and polar marine conditions L. Jacob et al. https://doi.org/10.5194/acp-26-3567-2026
- The biogenic sulfur cycle in the coupled ocean–sea ice–atmosphere system S. Ishino et al. https://doi.org/10.1525/elementa.2025.00067
- Atmospheric reaction of methanethiol with hydroxyl radicals and chlorine atoms: implications for the atmospheric sulfur cycle and HONO formation T. Gebru et al. https://doi.org/10.1039/D6EM00034G
- Assessment of tropospheric sulphur particulates in West Africa Region (1980–2024): source apportionment and chemometrics D. Omokpariola https://doi.org/10.1007/s11869-026-01944-3
- Evidence for a New Oxidation Mechanism for Sulfur Dioxide from Laboratory Measurements W. Stockwell & R. Fitzgerald https://doi.org/10.3390/atmos16091000
18 citations as recorded by crossref.
- Dimethyl Sulfide Oxidation at 400 – 545 K: Mass Spectrometric Characterization of Hydroperoxymethyl Thioformate (HPMTF) and Measurement of the CH3SCH2O2 → CH2SCH2OOH Rate Coefficient A. Kjaersgaard et al. https://doi.org/10.1021/acs.jpca.5c06279
- Role of Selenium in Production of Reactive Oxygen Species from Aqueous Processing of Dimethyl Selenide-Derived Secondary Aerosols M. Lum et al. https://doi.org/10.1021/acs.est.5c13687
- Dimethyl sulfide chemistry over the industrial era: comparison of key oxidation mechanisms and long-term observations U. Jongebloed et al. https://doi.org/10.5194/acp-25-4083-2025
- Quantitative Kinetics of the Hydrogen Shift Reaction of Methylthiomethyl Peroxy Radical (CH3SCH2OO) in the Atmosphere Y. Xia et al. https://doi.org/10.1021/acs.jpca.4c06818
- Marine upper-tropospheric rapid particle formation dominated by methanesulfonic acid A. Ning et al. https://doi.org/10.1073/pnas.2606521123
- Role of methanesulfonic acid in atmospheric particle nucleation and growth R. Baalbaki et al. https://doi.org/10.1038/s41586-026-10810-2
- Aerosolisation of microalgae: unveiling dimethyl-sulfide emissions during bubbling B. Rosati et al. https://doi.org/10.1038/s41612-025-01305-4
- Role of oceanic biogenic emissions of dimethyl sulfide in air sulfur chemistry along the southeastern Pacific Chilean coast E. Pino-Cortés et al. https://doi.org/10.1016/j.apr.2026.103089
- Gasphasenbildung von Schwefliger Säure (H2SO3) in der Atmosphäre T. Berndt et al. https://doi.org/10.1002/ange.202405572
- Perhemiacetal formation and Cl/NO3-initiated chemistry of hydroperoxymethylthioformate (HPMTF) in atmospheric DMS oxidation L. Vereecken et al. https://doi.org/10.1039/D4EA00134F
- Gas‐Phase Formation of Sulfurous Acid (H2SO3) in the Atmosphere T. Berndt et al. https://doi.org/10.1002/anie.202405572
- Methanesulfonic acid (MSA) and SO3 formation from the addition channel of atmospheric dimethyl sulfide oxidation T. Berndt https://doi.org/10.1039/D4CC05913A
- Effect of Whey Protein Changes on Milk Flavor and Sensory Characteristics During Heating Z. Zhang et al. https://doi.org/10.3390/foods14010033
- Determining the key sources of uncertainty in dimethyl sulfide and methanethiol oxidation under tropical, temperate, and polar marine conditions L. Jacob et al. https://doi.org/10.5194/acp-26-3567-2026
- The biogenic sulfur cycle in the coupled ocean–sea ice–atmosphere system S. Ishino et al. https://doi.org/10.1525/elementa.2025.00067
- Atmospheric reaction of methanethiol with hydroxyl radicals and chlorine atoms: implications for the atmospheric sulfur cycle and HONO formation T. Gebru et al. https://doi.org/10.1039/D6EM00034G
- Assessment of tropospheric sulphur particulates in West Africa Region (1980–2024): source apportionment and chemometrics D. Omokpariola https://doi.org/10.1007/s11869-026-01944-3
- Evidence for a New Oxidation Mechanism for Sulfur Dioxide from Laboratory Measurements W. Stockwell & R. Fitzgerald https://doi.org/10.3390/atmos16091000
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Short summary
The chemistry driving dimethyl sulfide (DMS) oxidation and subsequent sulfate particle formation in the atmosphere is poorly constrained. We oxidized two related compounds (dimethyl sulfoxide and dimethyl disulfide) in the laboratory under varied NOx conditions and measured the gas- and particle-phase products. These results demonstrate that both the OH addition and OH abstraction pathways for DMS oxidation contribute to particle formation via mechanisms that do not involve the SO2 intermediate.
The chemistry driving dimethyl sulfide (DMS) oxidation and subsequent sulfate particle formation...
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