The present invention relates to a polyfluoroalkylsulfonamido alkyl halide intermediate. The invention also relates to the use of the aforementioned halide intermediate to prepare a mixture of polyfluoroalkylsulfonamido alkyl amines including at least one polyfluoroalkylsulfonamido alkyl amine and its analog, a di(polyfluoroalkylsulfonamido alkyl) amine.