In this investigations, conductance measurements of aluminium ammonium sulphate in various proportions of aqueous DMF and aqueous DMSO mixtures containing 10, 20, 30, 40, 50, 60, 70, 80, 90 % of aqueous DMSO have been carried out at different temperatures to evaluate limiting ionic association constant, conductance’s, Walden products and solvated radii of the ions. Viscosity measurement of the aluminium ammonium sulphate solutions in aqueous DMF and aqueous DMSO mixtures were carried out at different temperatures to evaluate viscosity A and B-coefficients values. The density data for all the solutions were analyzed in limiting apparent molar volume (фvo ) and experimental slopes (Sv) obtained from Masson equation. The viscosity data of solution were analyzed in term of A and B coefficient obtained from Jone-Dole equation.