| rosaniline | <chemistry> A complex nitrogenous base, C20H21N3O, obtained by oxidizing a mixture of aniline and toluidine, as a colourless crystalline substance which forms red salts. These salts are essential components of many of the socalled aniline dyes, as fuchsine, aniline red, etc. By extension, any one of the series of substances derived from, or related to, rosaniline proper. Origin: Rose + aniline. Source: Websters Dictionary (01 Mar 1998) |
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| rosaniline dyes | Any dye or mixture of dyes made from rosaniline, a red triphenylmethane aniline derivative; used to colour fabrics, paper and as biological stain; also used as disinfectant and topical antifungal agent. (12 Dec 1998) |
Synonyms : Fuchsin, Triphenylmethane Aniline Compounds, Aniline Compounds, Triphenylmethane, Compounds, Triphenylmethane Aniline, Dyes, Rosaniline
| rosaniline |
a basic dye derived from triphenylmethane, occurring as reddish brown crystals, which is soluble in acids and alcohol and slightly soluble in water. It is used, usually as the hydrochloride, in the preparation of other dyes and as a component of basic fuchsin.
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