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A mathematical model of the steady boundary layer flow of nanofluid due to anexponentially stretching sheet with magnetic field i n presence of chemical reaction, thermal radiation and viscous dissipation is presented. In this paper the effects of Brownian motion and thermophoresis on he at transfer and nano-particle volume fraction on mass transfer are studied. Using similarity transformations, the governing equations are transformed into coupled, nonlinear ordinary differential equations, which are solved by using Keller Box method. Effects of various physical parameters on the velocity, temperature and concentration profiles are presented graphically. Numerical values of different involved parameters on skin friction coefficient, local Nusselt and Sherwood numbers are obtained. Chemical reaction parameter increases, the nanoparticle volume fraction decreases significantly. The temperature profile increases with the increasing values of Eckert number and radiation parameter.

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