Dye - Synthetic, Organic, Colorants
Dye - Synthetic, Organic, Colorants: Perkin’s accidental discovery of mauve as a product of dichromate oxidation of impure aniline motivated chemists to examine oxidations of aniline with an array of reagents. Sometime between 1858 and 1859, French chemist François-Emmanuel Verguin found that reaction of aniline with stannic chloride gave a fuchsia, or rose-coloured, dye, which he named fuchsine. It was the first of the triphenylmethane dyes and triggered the second phase of the synthetic dye industry. Other reagents were found to give better yields, leading to vigorous patent activity and several legal disputes. Inadvertent addition of excess aniline in a fuchsine preparation resulted in the
Dye, substance used to impart color to textiles, paper, leather, and other materials such that the coloring is not readily altered by washing, heat, light, or other factors to which the material is likely to be exposed. Learn more about the properties, uses, and development of dyes in this article.
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