PFAS

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Chemical Abstracts Service (CAS) Number. 2795-39-3. 335-67-1. Physical Description (physical state at room. 9-Octadecenoic acid (Z)-, sulfonated, potassium salts surfactants, to which perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) belong.

We use cookies to ensure that we give you the best experience of our website. 1Editor’s Note: This manuscript was accepted for publication on April 24, 2009. On May 9, 2009, the Conference of the Parties 4 of the Stockholm Convention (COP-4) in Geneva placed perfluorooctane sulfonate and perfluorooctane sulfonyl fluoride (PFOS and PFOSF) in Annex B (see below for other included substances). Perfluorooctane sulfonate (PFOS, potassium salt) was purchased from Fluka Chemical (Steinheim, Switzerland). The chemical was reported to be 91% pure by the supplier. Our analysis indicated that approximately 71% of the chemical was straight-chain, and the remaining 29% was branched. 3M Company (2001a) Screening studies on the aqueous photolytic degradation of potassium perfluorooctane sulfonate (PFOS).

In contrast, contaminations with PFOA have been observed in wild animals specific to some geographic areas12, 13). Similarly, geographical differences in serum PFOA levels Alibaba.com offers 39 potassium perfluorooctanesulfonate products.

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R. Silicid acid Perfluoroktansulfonat (PFOS) Several. Potassium dichromate, 7778-50-9. Acetic acid, lead salt, basic, 51404-69-4. Pigment Red 104, 12656-85-8 PFOS (Perfluorooctane sulfonic acid), 1763-23-1.

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PFOS (Perfluorooctane sulfonic acid), 1763-23-1 Potassium dichromate, 77778-50-9. Acetic acid, lead salt, basic, 51404-69-4. Pigment Red Tripropyltin chloride.

Subchronic toxicity studies on perfluorooctane sulfonate potassium salt in cynomolgus monkeys. Toxicol Sci 68:249-264. Starkov AA. Wallace KB, 2002. Structural determinants of fluorochemical-induced mitochondrial dysfunction, Toxicol Sci 66:244-252.
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Environment Agency, Chemicals Assessment Section, United Kingdom. Perfluorooctane-1-sulfonic acid (PFOS) is emerging as an important persistent environmental pollutant. To gain insight into the interaction of PFOS with biological systems, the mixing behavior of dipalmitoylphosphatidylcholine (DPPC) with PFOS was studied using differential scanning calorimetry (DSC) and fluorescence anisotropy measurements. Perfluorooctane sulfonate (PFOS) and its salts are perfluorinated organic compounds with surfactant properties. Common salts of PFOS include the ammonium, diethanolamine, potassium, and lithium forms. PFOS can be released from several fluorochemicals, such as perfluorooctane sulfonamide Perfluorooctane sulfonic acid (PFOS) is mainly used in the form of its salts (ammo- nium, potassium and lithium salts, among others) in the water and grease repellent impregnation of textiles, carpets and paper, in addition to chrome plating, in var- Perfluorooctane sulfonic acid (PFOS) is mainly used in the form of its salts (ammonium, potassium and lithium salts, among others) in the water and grease repellent impregnation of textiles, carpets and paper, in addition to chrome plating, in various photolithographic chemicals and in hydraulic fluids for aviation. Synonym: Perfluorooctanesulfonic acid potassium salt, Potassium heptadecafluoro-1-octanesulfonate Linear Formula: CF 3 (CF 2 ) 7 SO 3 K Molecular Weight: 538.22 PFOS is a perfluoralkyl sulfonate that is commonly used as a simple salt (such as potassium, sodium or ammonium) or is incorporated into larger polymers (EFSA 2008; EPA 2009c).

Chemical Name: Perfluorooctane Sulfonate Synonym: PFOS CAS: 1763-23-1 (acid) 29081-56-9 (ammonium salt) 70225-14-8 (diethanolamine salt) 2795-39-3 (potassium salt) 29457-72-5 (lithium salt) Serum concentrations appear to be the best dose-metric for extrapolating to humans. At the present »> PFOS is a perfluoralkyl sulfonate that is commonly used as a simple salt (such as potassium, sodium or ammonium) or is incorporated into larger polymers (EFSA 2008; EPA 2009c). »> PFOA is a perfluoralkyl carboxylate that is produced synthetically as a salt. Perfluorooctane sulfonate (PFOS) is a perfluoroalkyl acid (PFAA) and a persistent environmental contaminant found in the tissues of humans and wildlife. (potassium salt) in 0.5% Tween 20.
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7778-50-9. Acetic acid, lead salt, basic PFOA och PFOS samt 0,5 mg/kg för de övriga ämnena i tabellen nedan. Ämne. Force mätningar åstadkommes genom att placera en sövd larv in i en kammare fylld med en saltlösning. Den främre änden av larven är salt; 1,1,2,2,3,3,4,4,4-Nonafluorobutane-1-sulfonic acid, potassium salt. Ammoniumsalt nonafluor-, kalium salt ºC dagar. 175 olika PFOS-.

Introduction This fact sheet, developed by the U.S. Environmental Protection Agency (EPA) Federal Facilities Restoration and Reuse Office (FFRRO), provides a summary of two contaminants of emerging concern, perfluorooctane 1Editor’s Note: This manuscript was accepted for publication on April 24, 2009. On May 9, 2009, the Conference of the Parties 4 of the Stockholm Convention (COP-4) in Geneva placed perfluorooctane sulfonate and perfluorooctane sulfonyl fluoride (PFOS and PFOSF) in Annex B (see below for other included substances). Perfluorooctane sulfonate, potassium salt (PFOS): a flow-through bioconcentration test with the bluegill (Lepomis macrochirus) - amended.
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Potassium heptadecafluorooctane-1-sulfonate ≥98%. Potassium heptadecafluorooctane-1-sulphonate. Hazard code (s): Irritant. Formula: C₈F₁₇KO₃S. Melting Pt: 285 °C.

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59. 9.5. 310 potassium. Pentachlorophenol and its salts and esters PCP. 87-86-5 Perfluorooctane sulfonate (PFOS). 1763-23-1. 4,4-DDE Potassium perfluorooctanoate. 2395-00-8.

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Handledare: Adding salt to food prevents the common cold: an Benefits and harms of low potassium diet to. Potassium dichromate. 7778-50-9. Acetic acid, lead salt, basic. 51404-69-4. 4.2.4.8 Vattenavvisande behandlingar.

A wide variety of potassium perfluorooctanesulfonate options are available to you, C4 Sulfonate; 1-Perfluorobutanesulfonic acid; Short-Term Toxicity. 28 days (Gavage) (C07040) Completed .