- a red dye, C20H20N3Cl, derived from aniline and orthotoluidine, a constituent of fuchsin.
- the base, C20H21N3O, which, with hydrochloric acid, forms this dye.
Origin of rosaniline
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.Coal
A few years ago murexid was extensively used in dyeing; it is now almost superseded by rosaniline or magenta.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.
- a reddish-brown crystalline insoluble derivative of aniline used, in the form of its soluble hydrochloride, as a red dyeSee also fuchsin
Word Origin for rosaniline
- A brownish-red crystalline organic compound derived from aniline and used in the manufacture of dyes and in Schiff's reagent.