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CAS 335-67-1
Also known as: pfoa, perfluorooctanoic acid, perfluorooctanoate, perfluoroctanoic
Part of family: PFAS (per- and polyfluoroalkyl substances)
Perfluorooctanoic acid, often called PFOA, is a man-made chemical that doesn't break down easily in the environment. It's used to make non-stick coatings, waterproof fabrics, and grease-resistant food packaging. PFOA is regulated because it's a persistent, bioaccumulative, and toxic (PBT) substance, meaning it stays in the environment for a long time, builds up in living things, and can cause harm. The European Union's REACH program lists it as a Substance of Very High Concern because it's also classified as a carcinogen and toxic for reproduction. This means scientific authorities have found it can cause cancer and harm fertility or unborn children. PFOA is restricted under REACH and is also covered by the Stockholm Convention on persistent organic pollutants. This summary draws on public regulatory data; the linked source is authoritative. Source: European Chemicals Agency (ECHA) Candidate List of Substances of Very High Concern (https://echa.europa.eu/candidate-list-table).
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