rosaniline

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

nounChemistry.
  1. a red dye, C20H20N3Cl, derived from aniline and orthotoluidine, a constituent of fuchsin.

  2. the base, C20H21N3O, which, with hydrochloric acid, forms this dye.

Origin of rosaniline

1
First recorded in 1860–65; rose1 + aniline

Words Nearby rosaniline

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use rosaniline in a sentence

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

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

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

    Coal | Raphael Meldola
  • Later researches have shown that by heating rosolic acid with ammonia it is converted into rosaniline.

    Coal | Raphael Meldola
  • In France the hydrochlorate of rosaniline is chiefly employed.

British Dictionary definitions for rosaniline

rosaniline

rosanilin

/ (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

Origin of rosaniline

1
C19: from rose 1 + aniline

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