aniline dye


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aniline dye

[′an·əl·ən ′dī]
(organic chemistry)
A dye derived from aniline.
References in periodicals archive ?
For comparison the values of the rate coefficient were determined for a real BTW of aniline dye production.
The first aniline dyes were limited by the need to use a substance known as a mordant to fix the dye permanently to the textile fiber, a requirement that added an extra step to the dyeing process.
He refused to test tussur with the aniline dyes that were then taking increasing hold on the subcontinent.
Traditionally, the crop was grown for its seeds, and used for colouring and flavouring foods, in medicines, and making red (carthamin) and yellow dyes, especially before cheaper aniline dyes became available.
Ehrlich was also interested in drugs to treat cancer, including aniline dyes and the first primitive alkylating agents, but he was not very positive about the chance for its success.
Successful examples include reductions in lung cancer and mesothelioma following bans on asbestos, reductions in bladder cancer after elimination of aniline dyes, reductions in leukemia following imposition of controls on benzene, and termination of hepatic angiosarcoma in chemical workers following introduction of closed-circuit technology for vinyl chloride polymerization (Christiani 2011).
Subjects presented here include microbiology's Ferdinand Cohn and concepts of the discreteness of nature, German-Jewish chemists and Raphael Meldola in the search for aniline dyes, Felix Hansdorff's career in cultural and mathematical modernism, Leon Michaelis and Emil Abderhalden and the workings habits of Jewish and non-Jewish chemists in Germany, Zionist men of science between nature and nurture, Einstein and reform Judaism as it relates to the Fries school, value-based genetic studies of ethnic communities in Israel, German and Israeli attitudes about reproductive genetics, pragmatic and dogmatic physics in 1938, and Jewish emigrants and German Scientists after World War II.
Way back in 1895 aniline dyes, made from coal tar, were proven to cause bladder cancer.
While the German chemists, under Domagk, tried for years to attach sulfur to various aniline dyes, a team of French scientists showed that it was the sulfur, and not the dyes, that had the antibacterial effect.
By the mid-1800s, the development of coal-derived aniline dyes had dramatically reduced the demand for logwood.
Aniline dyes, readily available in regional markets, usually are the source for bright colors, but natural dyestuffs are used and even enjoying a comeback, especially among purists intent on producing textiles that have the look and feel of bygone days.