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In the reds are rosanilines, toluidine xylidine, &c.; in the blues phenyl-rosanilines, diphenylamine, toluidine, aldehyde, &c.; violets rosaniline, mauve, phenyl, ethyl, methyl, &c.; greens iodine, aniline, leucaniline, chrysotoluidine, aldehyde, toluidine, methyl-anilinine, &c.; yellows and orange leucaniline, phenylamine, &c.; browns chrysotoluidine, &c.; blacks aniline, toluidine, &c.
The Rosanilines, the Indulines, and Safranines; the Oxazines, the Thionines: the Phenol and Azo dyes are all substances which are of greater interest to the chemical students and to the colour manufacturer than to the ordinary reader. Many of the names of the bases of various dyes are unknown outside the chemical dyeworks, although each and all have complicated; reactions of their own.
To take the rosanilines as an instance of the rest. Aniline red, magenta, azaleine, rubine, solferino, fuchsine, chryaline, roseine, erythrobenzine, and others, are colouring matters in this group which are salts of rosaniline, and which are all recognised in commerce.
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