A colorless to yellowish liquid chemical compound (C₆H₅N(CH₃)₂) where two methyl groups are attached to the nitrogen of aniline, used in dyes and as a chemical intermediate.
From dimethyl (two methyl groups) + aniline (from Arabic an-nil, the indigo plant). Aniline is aminobenzene, and dimethylaniline is aniline with two methyl groups replacing the hydrogen atoms on nitrogen.
Dimethylaniline was one of the first synthetic dye precursors ever created—it helped launch the synthetic dye industry in the 1800s, transforming how humanity colored textiles forever.
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