Azo dyes are organic compounds bearing the functional group R−N=N−R′, in which R and R′ are usually aryl and substituted aryl groups. They are a commercially important family of azo …

Azo dye, any of a large class of synthetic organic dyes that contain nitrogen as the azo group ―N=N― as part of their molecular structures; more than half the commercial dyes belong to …

2023年6月9日 · Azo dyes are the most significant category of synthetic colorants and the most prevalent class of dyes in use today. There are different systems of classification for azo dyes. …

Azo dyes represent the largest production volume of dye chemistry today, and their relative importance may even increase in the future. They play a crucial role in the governance of the …

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 industry have been considered to …

2010年4月2日 · Azo dyes are widely used in the food, pharmaceutical, cosmetic, textile, and leather industries. They are synthetic compounds characterized by one (monoazo) or several …

One of most widespread class of synthetic dyes is azo dyes. Since the discovery of diazo compounds by Peter Greiss in 1858, series of different types of azo dyes have been …

Different azo compounds were successfully modified to other derivatives, complexes, and polymers. In this work, we reviewed the chemistry and applications of azo dyes investigating …

2020年1月31日 · In this work, we have presented a very detailed review of the different classification of azo dyes as a function of the number of azo groups and the appropriate …

2023年2月27日 · Azo dyes are organic compounds that belong to the functional group (N=N). These are one of the most critical colourants in the textile industry. Azo dyes are also known …