rosaniline [roh-zan-l-in, -ahyn] ExamplesWord Origin noun Chemistry.
- a red dye, C20H20N3Cl, derived from and orthotoluidine, a constituent of fuchsin.
- the base, C20H21N3O, which, with hydrochloric acid, forms this dye.
Origin of rosaniline First recorded in 1860–65;+ Examples from the Web for rosaniline Historical Examples of rosaniline
In France the hydrochlorate of rosaniline is chiefly employed.
A pleasant syrup, leaving a slightly sharp taste, containing a little carbonate of potash, and faintly coloured with rosaniline.
Other transformations of rosaniline have yet to be chronicled.
A few years ago murexid was extensively used in dyeing; it is now almost superseded by rosaniline or magenta.
The intimate relation between chrysaniline, rosaniline, and leucaniline has been shown by Hofmann.
British Dictionary definitions for rosaniline rosaniline rosanilin noun
- a reddish-brown crystalline insoluble derivative of aniline used, in the form of its soluble hydrochloride, as a red dyeSee also
Word Origin for rosaniline C19: from rose 1 + aniline rosaniline in Medicine rosaniline n.
- A brownish-red crystalline organic compound derived from aniline and used in the manufacture of dyes and in Schiff’s reagent.