rosaniline

American  

[roh-zan-l-in, -ahyn] / roʊˈzæn l ɪn, -ˌaɪn /

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.

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rosaniline British  

/ -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

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Etymology

Origin of rosaniline

First recorded in 1860–65; rose ¹ + aniline

Example Sentences

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

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

Unless carefully crystallised rosaniline will contain a slight proportion of the arseniate, and when articles of clothing are dyed with the salt, it is likely to produce an inflammatory condition of skin, when worn.

From The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes by Martin, Edward A.

Later researches have shown that by heating rosolic acid with ammonia it is converted into rosaniline.

From Coal and What We Get from It by Meldola, Raphael

Aniline red, magenta, azaleine, rubine, solferino, fuchsine, chryaline, roseine, erythrobenzine, and others, are colouring matters in this group which are salts of rosaniline, and which are all recognised in commerce.

From The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes by Martin, Edward A.

Further, magenta will not dye cotton unless the fibre is previously prepared, e.g. with the mordant tannic acid, with which the base rosaniline unites to form an insoluble salt.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various