What is N,N-Dimethylaniline (DMA) used for? What are its hazards?

N,N-Dimethylaniline (DMA) is a pale yellow, oily liquid with an amine-like odor, used as an intermediate in the manufacture of vanillin, Michler's ketone, methyl violet, and other dyes and also as a solvent, an alkylating agent, and a stabilizer. DMA is synthesized industrially by alkylation of aniline with methanol in the presence of an acid catalyst: C6H5NH2 + 2 CH3OH → C6H5N(CH3)2 + 2 H2O Acute(short-term) inhalation exposure to N,N-dimethylaniline has resulted in effects on the central nervous system (CNS) and circulatory system, with headache, cyanosis, and dizziness in humans.

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