Nafion is a fluoroether with a strongly acidic sulfonic acid substituents Acyclic perfluoroethers are known, e.g.

2 Names and Identifiers Expand this section. Home ; FEDFacts; Base Realignment and Closure (BRAC) Emerging Contaminants and Contaminants of …

PFOS was the key ingredient in Scotchgard, a fabric protector made by 3M, and numerous stain repellents. Üblicherweise wird bzw. SDS; Aniline-2-sulfonic acid. 5 Related Records Expand this section. 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).

Contents. O(C 2 F 5 ) 2 , the analogue of diethylether .

Create: 2005-08-08. 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.

Structure, properties, spectra, suppliers and links for: Fluorosulfuric acid, 7789-21-1.

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. 6 Chemical Vendors. More... Molecular Weight: 350.11 g/mol.

Perfluoropentane-1-sulfonic acid. 147923 ; 98%; Sigma-Aldrich pricing.

wurde es im Handel als Kalium-, Lithium-, Ammonium-, Diethanolammonium-oder Tetraethylammoniumsalz angeboten.PFOS wurde 2009 als Schadstoff in den Anhang B des Stockholmer Übereinkommens … Cleanups at Federal Facilities.

4 Spectral Information Expand this section. CAS Number: 5872-08-2. Dates: Modify: 2020-06-27. 1 Structures Expand this section.

3 Chemical and Physical Properties Expand this section. It was added to Annex B of the Stockholm Convention on Persistent Organic Pollutants in May 2009. Perfluorooctanesulfonic acid or perfluorooctane sulfonate (PFOS), is a man-made fluorosurfactant and global pollutant. Perfluoroctansulfonsäure (Anion Perfluoroctansulfonat oder kurz PFOS) ist eine chemische Verbindung aus der Gruppe der per- und polyfluorierte Alkylverbindungen (PFAS). 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. More interesting and more useful are the cyclic ethers, especially, the epoxides .

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).

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