- Type
- Per- and polyfluoroalkyl substance
- How serious
- High severity
- Evidence
- Strong evidence
Why it is flagged
A long-chain PFCA, prohibited in Canada since 2016 and listed under the Stockholm Convention in 2025. One of the four PFAS behind EFSA's tolerable intake; human studies link it to altered thyroid hormones and reduced fertility.
Health topics it bears on
Sources
- Long-chain perfluorocarboxylic acids (LC-PFCAs), their salts and precursors Health Canada, 2026
- Long-chain Perfluorocarboxylic Acids (LC-PFCAs), their salts, and their precursors - information sheet Health Canada, 2026
- State of Per- and Polyfluoroalkyl Substances (PFAS) Report Environment and Climate Change Canada and Health Canada, 2025
- The new POPs under the Stockholm Convention Secretariat of the Stockholm Convention on Persistent Organic Pollutants, 2025
- Risk to human health related to the presence of perfluoroalkyl substances in food European Food Safety Authority, 2020
Also listed as
pfna, perfluorononanoate, c9 pfca, perfluoro-n-nonanoic acid