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Perfluoroalkyl ether sulfonic acid
From Wikipedia, the free encyclopedia
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Perfluoroalkyl ether sulfonic acid refers to compounds with the formula CF3(CF2)mO(CF2)nSO3H. Several are known. These compounds are members of the PFAS class of fluorocarbon-based surfactants. They were invented partly in response to the controversy over the persistence of PFAS.[1] Some PFESA can be prepared from hexafluoropropylene oxide.[2]
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