Aquatic hazard, bioaccumulation and screening risk assessment for 6:2 fluorotelomer sulfonate
Abstract
This study assessed the aquatic toxicity and bioaccumulation potential of 6:2 fluorotelomer sulfonate (6:2 FTSA). Acute and chronic aquatic hazard endpoints indicate 6:2 FTSA is not classified for aquatic hazard according to GHS or European CLP legislation. The aqueous bioconcentration factors for 6:2 FTSA were <40 and the dietary assimilation efficiency, growth corrected half-life and dietary biomagnification factor (BMF) were 0.435, 23.1d and 0.295, respectively. These data indicate that 6:2 FTSA is not bioaccumulative in aquatic organisms. Comparison of PNECs with the reported surface water concentrations (non-spill situations) suggests low risk to aquatic organisms from 6:2 FTSA. Future studies are needed to elucidate the biotic and abiotic fate of commercial AFFF surfactants in the environment.
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n:2 FTAs and n:2 FTSs are believed to be principal degradation products of fluorotelomer surfactants and are applied as alternatives to PFOS in metal plating.
“It is believed that n:2 FTAs and n:2 FTSs are principal degradation products of fluorotelomer surfactants 59,60 and applied as alternatives to PFOS in metal plating.”
From Non-Target and Suspect Screening of Per- and Polyfluoroalkyl Substances in Airborne Particulate Matter in China (2018) · cites this paper as [59]
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References 43 · Cited by 82
- Authors
- Hoke, R. A., Ferrell, B. D., Ryan, T., Sloman, T. L., Green, J. W., Nabb, D. L., Mingoia, R., Buck, R. C., & Korzeniowski, S. H.
- Affiliations
- DuPont (United States) (US)
- Corresponding author
- Hoke, Robert A.
- Venue
- Chemosphere
- Publisher
- Elsevier BV
- Published
- 2015-06
- Volume
- 128
- Pages
- 258-265
- ISSN
- 0045-6535 (ISSN-L)
- OpenAlex
- W2019787779
- Cited by
- 82
- References
- 43
- Citations by year
- 2026: 13 · 2025: 12 · 2024: 7 · 2023: 6 · 2022: 9 · 2021: 5 · 2020: 8 · 2019: 7 · 2018: 3 · 2017: 5 · 2016: 7
- FWCI
- 3.68
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Chemosphere (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
- Physical Sciences › Environmental Science › Environmental Chemistry › Environmental Chemistry and Analysis
- Keywords
- 6:2 fluorotelomer sulfonate, bioaccumulation, bioconcentration factor, assimilation efficiency, predicted no-effect concentration, surface water concentrations, degradation products, environmental risk assessment
- MeSH terms
- Alkanesulfonates, Animals, Half-Life, Water Pollutants, Chemical, Risk Assessment, Aquatic Organisms
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