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The azo dyes are synthetic dyes formed by azo group which consists of two nitrogen atoms linked with each other. In the primeval times, azotes in French meant. Azo dyes are prepared in a two step reaction, the first being the synthesis of an aromatic diazonium ion from an aniline derivative. The next step is coupling. Azo dyes are the largest group of artificial food dyes, including 70% of the organic dyes generated in the world. Moreover, the commonest azo dyes in the food.

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Learn about the impact of azo dyes on retailers and consumers and how to best ensure product compliance in your supply chain in this whitepaper. Azo dyes are prepared in a two step reaction, the first being the synthesis of an aromatic diazonium ion from an aniline derivative. The next step is coupling. Azo dyes are a type of direct dye - meaning that they color the fibers "directly", which eliminates the need for a mordant. Azo dyes are one of the main.

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Azo dye definition: any of a class of artificial dyes that contain the azo group. They are usually red, brown | Meaning, pronunciation, translations and. The manufacture of dyes "azo" is called diazotization process by which an aromatic amine (also called diazo component) is transformed into a diazonium component. dyes in which the azo group is the chromophore and joins benzene or naphthalene rings; they include a large number of biologic stains (for example.