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Chemical compound
Perfluorooctanesulfonic acid (PFOS) (conjugate base perfluorooctanesulfonate) is a chemical compound having an eight-carbon fluorocarbon chain and a sulfonic acid functional group and thus a perfluorosulfonic acid. It is an anthropogenic (man-made) fluorosurfactant, now regarded as a global pollutant. PFOS was the key ingredient in Scotchgard, a fabric protector made by 3M, and related stain repellents. The acronym "PFOS" refers to the parent sulfonic acid and to various salts of perfluorooctanesulfonate. These are all colorless or white, water-soluble solids. Although of low acute toxicity, PFOS has attracted much attention for its pervasiveness and environmental impact. It was added to Annex B of the Stockholm Convention on Persistent Organic Pollutants in May 2009.[4]
^Cheng J, Psillakis E, Hoffmann MR, Colussi AJ (July 2009). "Acid dissociation versus molecular association of perfluoroalkyl oxoacids: Environmental implications" (PDF). J. Phys. Chem. A. 113 (29): 8152–8156. Bibcode:2009JPCA..113.8152C. doi:10.1021/jp9051352. PMID 19569653.
^Rayne S, Forest K, Friesen KJ (2009). "Extending the semi-empirical PM6 method for carbon oxyacid pKa prediction to sulfonic acids: Application towards congener-specific estimates for the environmentally and toxicologically relevant C1 through C8 perfluoroalkyl derivatives". Nature Precedings: 1. doi:10.1038/npre.2009.3011. hdl:10101/npre.2009.2922.1.
^An Act To Stop Perfluoroalkyl and Polyfluoroalkyl Substances Pollution. 130th Maine Legislature, April 15, 2021
^Governments unite to step-up reduction on global DDT reliance and add nine new chemicals under international treaty. Geneva: Stockholm Convention Secretariat. 8 May 2009.
and 25 Related for: Perfluorooctanesulfonic acid information
Perfluorooctanesulfonicacid (PFOS) (conjugate base perfluorooctanesulfonate) is a chemical compound having an eight-carbon fluorocarbon chain and a sulfonic...
cause of concern environmentally. The primary manufacturer of perfluorooctanesulfonicacid (PFOS), the 3M Company (known as Minnesota Mining and Manufacturing...
molecular weight. Taurodeoxycholic acid and its isomers have molecular masses similar to perfluorooctanesulfonicacid (PFOS) and therefore may interfere...
taurine. Many sulfonic acids are prepared by hydrolysis of sulfonyl halides and related precursors. Thus, perfluorooctanesulfonicacid is prepared by hydrolysis...
6:2-Fluorotelomersulfonic acid has been used as a replacement for Perfluorooctanesulfonicacid. Perfluorooctanesulfonicacid was included in Annex B of...
replacement for the persistent, toxic, and bioaccumulative compound perfluorooctanesulfonicacid (PFOS) in its Scotchgard stain repellents. 3M markets surfactant...
hazardous dumping of the chemicals perfluorooctanoic acid (PFOA) and perfluorooctanesulfonicacid (PFOS). Bilott's litigation was the foundation for a...
and maximum contaminant levels for perfluorooctanoic acid (PFOA) and perfluorooctanesulfonicacid (PFOS)". Trenton, NJ: New Jersey Department of Environmental...
per- and polyfluoroalkyl substances (PFAS), GenX, perfluorooctanesulfonicacid, perfluorooctanoic acid, byproducts of production of the fluoropolymer Nafion;...
perfluorooctanesulfonamide (PFOSA), used in 3M's Scotchgard formulation. perfluorooctanesulfonicacid (PFOS), used in the semiconductor industry, 3M's former Scotchgard...
contaminant level (MCL) of 51 parts per trillion (ppt) or 0.051 μg/L. Perfluorooctanesulfonicacid Per- and polyfluoroalkyl substances Timeline of events related...
acid containing a thiol group Methionine, an amino acid containing a thioether Diphenyl disulfide, a representative disulfide Perfluorooctanesulfonic...
Dibenzothiophene, a component of crude oil Perfluorooctanesulfonicacid, a controversial surfactant Lipoic acid, an essential cofactor of four mitochondrial...
research has been done on the two most well-known: perfluorooctanesulfonicacid (PFOS) and perfluorooctanoic acid (PFOA). The U.S. Environmental Protection Agency...
conducted as an emulsion in water, often using a surfactant such as perfluorooctanesulfonicacid (PFOS). The polymer contains about 5% of the propylene component...
groups, are noted persistent organic pollutants; perfluorooctanesulfonicacid (PFOS) and perfluorooctanoic acid (PFOA) are most often researched. PFAAs have...
representative disulfide Dibenzothiophene, a component of crude oil Perfluorooctanesulfonicacid (PFOS), a surfactant Some of the main classes of sulfur-containing...
after receiving data on the global distribution and toxicity of perfluorooctanesulfonicacid (PFOS). These materials are part of a broad group of perfluoroalkyl...
waste Heavy metals from motor vehicles (via urban storm water runoff) and acid mine drainage Nitrates and phosphates, from sewage and agriculture (see nutrient...
northern pike, walleye, and white sucker due to mercury and perfluorooctanesulfonicacid contamination. In 1991, the then-Minnesota state record tiger...
Tauroursodeoxycholic acid, an epimer See article about Taurodeoxycholic acid as an interferent in Perfluorooctanesulfonicacid (PFOS) mass spectrometry...
lower surface tension. The fluorosurfactants perfluorooctanesulfonicacid (PFOS) and perfluorooctanoic acid (PFOA) are two of the most studied because of...
Perfluoroalkyl iodides are precursors to important surfactants, such as perfluorooctanesulfonicacid. The iodine clock reaction (in which iodine also serves as a...
PentaBDE has been detected in humans in all regions of the world. Perfluorooctanesulfonicacid (PFOS) and related compounds are extremely persistent, bioaccumulating...
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