Poly(difluoromethylene), α-[2-(acetyloxy)-3-[(carboxymethyl)dimethylammonio]propyl]-ω-fluoro-, inner salt

Manufacturing and use of water-/stain-repellent textiles, paper and leather treatments, industrial coatings, and aqueous film-forming foams (AFFF); releases from treated products and waste sites [1][2].

Drinking water near airports, military bases, or PFAS facilities; indoor dust from treated carpets and fabrics; occupational use; some foods and fish from polluted waters [1][2][3].

PFAS resist breakdown and can build up in the body. Several PFAS are linked with higher cholesterol, liver enzyme changes, reduced vaccine response in children, pregnancy-related hypertension, and, for PFOA, certain cancers [1][2][4].

Workers handling PFAS; people using private wells near contamination; pregnant people, infants, and children; communities near AFFF use or disposal sites [1][3].

If on a private well, test for PFAS and consider certified filters (activated carbon, reverse osmosis, or ion exchange); follow local fish advisories; avoid unnecessary AFFF use; choose PFAS-free products; reduce dust with wet cleaning/HEPA vacuuming [2][3].