rosaniline

[ roh-zan-l-in, -ahyn ]

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.

rosaniline

/ -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

Word History and Origins

Origin of rosaniline¹

First recorded in 1860–65; rose ¹ + aniline

Word History and Origins

Origin of rosaniline¹

C19: from rose ¹+ aniline

Example Sentences

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

From Project Gutenberg

Magenta is the salt of a base now known as rosaniline, and it belongs therefore to the class of basic colouring-matters.

From Project Gutenberg

From benzene and toluene alone about forty distinct colouring-matters of the rosaniline group are sent into commerce.

From Project Gutenberg

Later researches have shown that by heating rosolic acid with ammonia it is converted into rosaniline.

From Project Gutenberg

In France the hydrochlorate of rosaniline is chiefly employed.

From Project Gutenberg