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Updated: May 11, 2025
The aniline oils of commerce are very variable in character, the principal constituents being pure aniline, para- and meta-toluidine, xylidines, and cumidines. They are best known to the colour manufacturer in four qualities From the first of these, which is almost pure aniline, aniline black is derived, and a number of organic compounds which are further used for the production of dyes.
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