rosaniline

American  

[roh-zan-l-in, -ahyn] / roʊˈzæn l ɪn, -ˌaɪn /

noun

Chemistry.

1. a red dye, C 2 0 H 2 0 N 3 Cl, derived from aniline and orthotoluidine, a constituent of fuchsin.

2. the base, C 2 0 H 2 1 N 3 O, which, with hydrochloric acid, forms this dye.

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rosaniline British  

/ rəʊˈzænɪˌliːn, -lɪn /

noun

1. a reddish-brown crystalline insoluble derivative of aniline used, in the form of its soluble hydrochloride, as a red dye See also fuchsin

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Etymology

Origin of rosaniline

First recorded in 1860–65; rose ¹ + aniline

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Example Sentences

See Examples For:

rosaniline

FUCHSINE, or Magenta, a red dye-stuff consisting of a mixture of the hydrochlorides or acetates of pararosaniline and rosaniline.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

Members of the rosaniline group are all similarly fugitive, while those of the alizarin group possess generally the quality of fastness.

From Scientific American Supplement, No. 810, July 11, 1891 by Various

Other transformations of rosaniline have yet to be chronicled.

From Coal and What We Get from It by Raphael Meldola

The explanation is that the base rosaniline has united with the fibre, which here plays the part of an acid, to form a coloured salt.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

It has been explained that by the methylation of rosaniline Hofmann obtained violet colouring-matters.

From Coal and What We Get from It by Raphael Meldola

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