Perfluorooctanesulfonic acid → HCID 20553275, compound

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The perfluoro-octylsulphonate salt was prepared by mixing a solution of 1-(4-isopropylphenyl)ethylamine (16.1 g) in ethanol (20 ml) with a solution of perfluoro-octylsulphonic acid (50 ml). The solution was evaporated to dryness and the residue was recrystallised from chloroform as soft colourless plates of 1-(4-isopropylphenyl) ethyl ammonium perfluoro-octyl sulphonate, melting point 158° C.(d). (Found: C 34.3; H 2.5; N 2.2%. C19H18F17NO3S requires: C 34.40; H 2.73; N 2.11%).

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