rosaniline
Americannoun
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a red dye, C 2 0 H 2 0 N 3 Cl, derived from aniline and orthotoluidine, a constituent of fuchsin.
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the base, C 2 0 H 2 1 N 3 O, which, with hydrochloric acid, forms this dye.
noun
Etymology
Origin of rosaniline
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It has been explained that by the methylation of rosaniline Hofmann obtained violet colouring-matters.
From Coal and What We Get from It by Meldola, Raphael
The explanation is that the base rosaniline has united with the fibre, which here plays the part of an acid, to form a coloured salt.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various
It consists of a hydrochloride or acetate of rosaniline.
From The Gutenberg Webster's Unabridged Dictionary Section F, G and H by Project Gutenberg
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.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.