PFOS
Synonyms: Perfluorooctanesulfonic acid
CAS Number: 1763-23-1
Sources of exposure:
Environmental pollution (soil, water), consumer goods, packaging, fire fighting foam, consumer goods, stain and water repellent products
Description:
PFOS is a perfluorinated compound (PFAS). It is a persistent environmental contaminant historically used in consumer products such as carpets, clothing, paper and cardboard food packaging, and firefighting foams. PFOS can also form as a degradation product of other PFAS. Its use is restricted or banned under multiple regulatory frameworks, including the Stockholm Convention (Annex B), US EPA TSCA, US Safe Drinking Water Act, and the EU POPs Regulation.
Health concerns:
Cancer
Known or suspected to increase cancer risk in humans.
Endocrine Disruption
May alter hormone function and contribute to chronic diseases and disorders.
Reproductive Toxicity
May alter hormone function and harm reproduction.
Developmental Toxicity
May impact fetal development and birth outcomes.
Genotoxicity
May cause mutations or damage DNA in cells.
Organ System Toxicity
May cause organ damage and disease.
Immunotoxicity & Allergens
May impact immune system function or cause allergic reactions.
Irritant
May cause skin, eye, or respiratory irritation.
Ecotoxicity
May be toxic to ecosystems and wildlife.
Banned/restricted lists:
- Stockholm Convention on Persistent Organic Pollutants (POPs)