SolventDyes Usage And Synthesis
These dyes are water-insoluble but soluble in alcohols, chlorinated hydrocarbons, or liquid ammonia.
They are used for coloring synthetics, plastics, gasoline, oils, and waxes. The dyes are predominantly azo and anthraquinone, but phthalocyanine and triarylmethane dyes are also used. Perchloroethylene is the preferred solvent.
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