Article not copyrighted. firm this observation, and in the present paper the methyl alkoxypropionates and the alkyl methoxypropionates are treated as one homologous series. The boiling points, densities and refractive indices of ROCHzCHzCOOR (R= identical n-alkyl groups) are lower than those of the isomeric methyl alkoxypropionates and fa-alkyl methoxypr~ pionates.~ Not all members of the homologous
