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

Example Sentences

See Examples For:

rosaniline

The blues and violets obtained from rosaniline belong to this group, and so also do certain other colouring-matters which had been manufactured before the Fischers’ discovery.

From Coal and What We Get from It by Raphael Meldola

Phosgene colours of rosaniline group introduced; leading to manufacture of phosgene.

From Coal and What We Get from It by Raphael Meldola

Unless carefully crystallised rosaniline will contain a slight proportion of the arseniate, and when articles of clothing are dyed with the salt, it is likely to produce an inflammatory condition of skin, when worn.

From The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes by Edward A. Martin

Among these products may be mentioned aniline, rosaniline, napthaline, chinoline, carbolic acid, picric acid, &c., with their derivatives.

From Field's Chromatography or Treatise on Colours and Pigments as Used by Artists by Thomas Salter

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