xylidine

American  

[zahy-li-deen, -din, zil-i-] / ˈzaɪ lɪˌdin, -dɪn, ˈzɪl ɪ- /

noun

1. any of six isomeric compounds that have the formula C 8 H 11 N, are derivatives of xylene, and resemble aniline: used in dye manufacture.

2. an oily liquid consisting of a mixture of certain of these compounds, used commercially in making dyes.

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xylidine British  

/ ˈzɪlɪ-, -ˌdaɪn, ˈzaɪlɪˌdiːn /

noun

1. a mixture of six isomeric amines derived from xylene and used in dyes. Formula: (CH 3 ) 2 C 6 H 3 NH 2

2. any one of these isomers

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Etymology

Origin of xylidine

First recorded in 1840–50; xyl(ene) + -id ³ + -ine ²

Example Sentences

The following list includes some of the more important acid colours now in use, arranged according to the colour they yield in dyeing:— Red.—Wool scarlet, brilliant scarlet, erythrine, croce�n scarlet, brilliant croce�n, violamine G, scarlet 3R, crystal scarlet, new coccine, chromotrope 2R, azo acid magenta, Victoria scarlet, xylidine scarlet, Palatine scarlet, Biebrich scarlet, pyrotine, orchil red, Bordeaux B, milling red, azo carmine, acid magenta, fast acid violet A 2R, naphthylamine red, fast red, claret red, eosine, erythrosine, rose Bengale, phloxine, cyanosine, cloth red, lanafuchsine, rosinduline, erio carmine.

From Project Gutenberg

Thus it was observed that the toluidine colour was redder than the aniline colour, and it was a natural inference that the xylidine colour would be still redder.

From Project Gutenberg

In a similar way, by heating xylidine hydrochloride and methyl alcohol for some time in a closed vessel at about 300° C. cumidine is produced.

From Project Gutenberg

Xylidine scarlet, although at the time of its introduction the only true azo-scarlet likely to come into competition with cochineal, was still somewhat on the orange side.

From Project Gutenberg

England, 60 Winsor, promotes introduction of gas, 41 Witt, azines, 109 Witt, chrysoïdine, 116 Witt, naphthol orange, 150 Wood vinegar, 64 Woody fibre, 26 Woulfe, picric acid, 136 Xylenes from tar, 81 Xylidine scarlet, 153 Young, James, burning-oil, 51 Ziegler, tartrazine, 184 Zinin, benzidam, 75   THE END.

From Project Gutenberg