Densities at temperatures from 288.15 K and 358.15 K, kinematic viscosity from 293.15 K and 358.15 K, and refractive index from 288.15 K and 323.15 K were measured for six esters : tributyl phosphate, dibutyl suberate, diethyl azelate, diethyl sebacate, diethyl phthalate, and dioctyl phthalate. The results were fitted to various models, and the parameters are reported.