N-methylaniline, an organic compound, is a colorless to reddish brown oily liquid, slightly soluble in water, soluble in ethanol, ether, chloroform, mainly used as an intermediate in organic synthesis, acid absorbent and solvent. In the dye industry, it is used for the production of cationic brilliant red 5GN, cationic peach FG, cationic peach B, active yellow brown KGR, active yellow brown KGR, active brilliant blue X-BR, reactive orange K-2RL, acid blue BR, etc.