Qu'est-ce (qui) est azo dye - définition
Azo dye
![Chemical structure of [[Solvent Yellow 7]], an orange colored azo dye.](https://commons.wikimedia.org/wiki/Special:FilePath/4-hydroxyphenylazobenzene.png?width=200 "Chemical structure of [[Solvent Yellow 7]], an orange colored azo dye.")
![Synthesis of C.I. [[Pigment Yellow 12]], an azo pigment (also classified as a [[diarylide pigment]]).](https://commons.wikimedia.org/wiki/Special:FilePath/PigmentYellow12corrected.png?width=200 "Synthesis of C.I. [[Pigment Yellow 12]], an azo pigment (also classified as a [[diarylide pigment]]).")
![[[Trypan blue]] is an example of a [[direct dye]], used for cotton.](https://commons.wikimedia.org/wiki/Special:FilePath/TrypanBlueSalt.png?width=200 "[[Trypan blue]] is an example of a [[direct dye]], used for cotton.")
![[[Direct Blue 1]]](https://commons.wikimedia.org/wiki/Special:FilePath/Pontamine sky blue.svg?width=200 "[[Direct Blue 1]]")
![[[Basic Red 18]], a cationic azo dye](https://commons.wikimedia.org/wiki/Special:FilePath/BasicRed18.png?width=200 "[[Basic Red 18]], a cationic azo dye")
CLASS OF DYES
Azo Dye; Azo pigments; Diazo dye; Azo dyes; Azo pigment; Aminoazo-dyes; Aminoazo-dye; Aminoazo dye
Azo dyes are organic compounds bearing the functional group R−N=N−R′, in which R and R′ are usually aryl. They are a commercially important family of azo compounds, i.
azo dye
CLASS OF DYES
Azo Dye; Azo pigments; Diazo dye; Azo dyes; Azo pigment; Aminoazo-dyes; Aminoazo-dye; Aminoazo dye
¦ noun Chemistry any of a large class of synthetic dyes whose molecules contain two adjacent nitrogen atoms between carbon atoms.
Azo compound
CLASS OF ORGANIC COMPOUNDS BEARING THE FUNCTIONAL GROUP R–N=N–R′, IN WHICH R AND R′ CAN BE EITHER ARYL OR ALKYL
Azo Compound; Azo compounds; Azo-dye; Azo group; Azo radical; Developed dye; Azo-; Azene
Azo compounds are compounds bearing the functional group diazenyl (, in which R and R′ can be either aryl or alkyl).
Exemples du corpus de texte pour azo dye
1. The survey, published in The Food Magazine, found azo dye colourings in five products and multiple artificial sweeteners and preservatives in the majority of products.
2. A survey of 41 medicines found azo dye colourings in five products Most popular stories Health » Entire site » New contract leaves another 1.4m without an NHS dentist Victims of drug trial get ready to sue U.S firm for millions Is Pilates bad for your back?