N,N-Dimethylaniline DMA CAS 121-69-7 is an organic chemical compound, a substituted derivative of aniline. It consists of tertiary amine, featuring dimethylamino group attached to a phenyl group. It is an important precursor to dyes such ascrystal violet. N,N-Dimethylaniline is yellow to brown colored oily liquid with a fishlike odor. Less dense than water and insoluble in water. Flash point 150�°F. Toxic by ingestion, inhalation, and skin absorption. Used to make dyes and as a solvent. Specification Appearance Colorless to pale yellow oil liquid Assay â?¥99% Aniline assay â?¤0.3% N-methyl aniline â?¤ 0.5% Water and others â?¤ 0.2% Application 1) As dyes intermediate used for the manufacture of vanillin, azo dyes, triphenylmethane dyes etc. As an important intermediate for dyestuff, mainly used in the production of triphenyl methane dyestuff, also as solvent, antiseptic for metal, solidity for epoxy resin and polyester, and catalytic promoter for polyreaction of ethylene chemical compound. 2) In medical industry, it is used in the production of cephalosporin V, sulfanilamide -6-methoxamine pyrimidine, fluorine pyrimidine. 3) In perfume industry, it is used in the production of vanilla, as well as the vulcanized agent for rubber or the raw material for dynamite and some organic intermediates.