The results of the modelling of methyl acrylate synthesis in the reactors system with the components evaporation and a recirculation of the streams have been presented. Examined in detail was the influence of the degree of evaporation, the final degree of conversion, the molar ratio of alcohol/acid, the reflux volume of the portion of the stream of the exhausted liquid from the last reactor, on the relationship between the total volume of the reaction space and a number of reactors in a cascade.