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 …

Azo compounds are organic compounds bearing the functional group diazenyl (R−N=N−R′, in which R and R′ can be either aryl or alkyl groups).

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 …

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 …

2014年9月8日 · This chapter contains a discussion of the fundamental structural chemistry of azo colorants, including a description of the types of isomerism that they can exhibit, the principles …

Azo dyes are substances with one or more azo groups (-N=N-) coupled with two mono- or polycyclic aromatic systems in their structure. Unlike most organic compounds, azo dyes …