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  

/ -lɪn, rəʊˈzænɪˌliːn /

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

Example Sentences

Further, magenta will not dye cotton unless the fibre is previously prepared, e.g. with the mordant tannic acid, with which the base rosaniline unites to form an insoluble salt.

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

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

Other transformations of rosaniline have yet to be chronicled.

From Coal and What We Get from It by Meldola, Raphael

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

From Coal and What We Get from It by Meldola, Raphael

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