perfluoro sulfonic acid

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1 Structures Expand this section. 6 Chemical Vendors.

It was added to Annex B of the Stockholm Convention on Persistent Organic Pollutants in May 2009. Contents. 147923 ; 98%; Sigma-Aldrich pricing. This has led to a vast number of novel sulfonic acid functionalized non-fluorinated polyaromatics 1 and polymer materials comprising protogenic functions other than sulfonic acid (typically phosphonic and heterocycle functionalized materials). Four ionophilic Brönsted sulfonic acids having hydrocarbon or perfluorinated (see the structure) have been synthesised and their catalytic activity tested for the esterification of octanoic acid with n-propanol.It was found that imidazolium having a propylsulfonic acid is a highly active and reusable catalyst, while the perfluoro analogs exhibit considerably less activity. 4 Spectral Information Expand this section. More interesting and more useful are the cyclic ethers, especially, the epoxides . O(C 2 F 5 ) 2 , the analogue of diethylether . Perfluoroctansulfonsäure (Anion Perfluoroctansulfonat oder kurz PFOS) ist eine chemische Verbindung aus der Gruppe der per- und polyfluorierte Alkylverbindungen (PFAS).

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Perfluoropentane-1-sulfonic acid. 2 Names and Identifiers Expand this section. Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) (PDF) (8 pp, 171 K, November 2017, EPA 505-F-17-001) Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) Contact Us to ask a question, provide feedback, or report a problem. Camphor-10-sulfonic acid (β) 1 Product Result | Match Criteria: Product Name, Property, Description Empirical Formula (Hill Notation): C 10 H 16 O 4 S. Molecular Weight: 232.30. Nafion is a fluoroether with a strongly acidic sulfonic acid substituents Acyclic perfluoroethers are known, e.g. Home ; FEDFacts; Base Realignment and Closure (BRAC) Emerging Contaminants and Contaminants of … CAS Number: 5872-08-2. PFOS was the key ingredient in Scotchgard, a fabric protector made by 3M, and numerous stain repellents. Structure, properties, spectra, suppliers and links for: Fluorosulfuric acid, 7789-21-1.

SDS; Aniline-2-sulfonic acid. Perfluorooctanesulfonic acid or perfluorooctane sulfonate (PFOS), is a man-made fluorosurfactant and global pollutant. 5 Related Records Expand this section. 3 Chemical and Physical Properties Expand this section. wurde es im Handel als Kalium-, Lithium-, Ammonium-, Diethanolammonium-oder Tetraethylammoniumsalz angeboten.PFOS wurde 2009 als Schadstoff in den Anhang B des Stockholmer Übereinkommens … More... Molecular Weight: 350.11 g/mol. Trifluoroacetic acid (TFA), Perfluorooctanoic acid (PFOA), Perfluorooctanesulfonic acid (PFOS) : Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Dates: Modify: 2020-06-27.

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