本品能与空气一同挥发。易燃，微溶于水，溶于乙醇，乙醚，苯溶液。在光和空气中颜色变深。能与强矿酸形成盐。 3,5-二甲基苯胺是染料生产中常用的试剂。在硫酸铈（IV）作为氧化剂存在下发生聚合。 以3,5-二甲基苯胺为原料，合成了高效液相色谱手性填料。 3,5-Dimethylaniline is the reagent commonly useful in the manufacture of dyes. It undergoes polymerization in the presence of cerium(IV) sulfate as an oxidant Usually used in the synthesis of chiral packing materials for high performance liquid chromatography.