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

His perception of the analogy between it and ammonia led to his famous work on the amines and ammonium bases and the allied organic phosphorus compounds, while his researches on rosaniline, which he first prepared in 1858, formed the first of a series of investigations on colouring matters which only ended with quinoline red in 1887.

From Project Gutenberg

Rosaniline, rō-zan′i-lin, n. a derivative of aniline: magenta: roseine.

From Project Gutenberg

A similar series of reactions was carried out with rosaniline, which was shown to be the corresponding derivative of tolyldiphenylmethane.

From Project Gutenberg

The free pararosaniline, C19H19N3O, and rosaniline, C20H21N3O, may be obtained by precipitating solutions of their salts with a caustic alkali, colourless precipitates being obtained, which crystallize from hot water in the form of needles or plates.

From Project Gutenberg

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

From Project Gutenberg