Azoic dye definition is – any of a group of water-insoluble azo dyes formed by coupling of the components on the fiber —called also ice color, ingrain dye. The dyes containing azo groups – N = N – are called Azoic Dye. These are not ready made dyes but are produced by reaction of two. Structure, Chemical Name, CAS, MF. 4-Chloronitroaniline · , C6H5ClN2O2. 3-Chloromethylaniline · , C7H8ClN. 2-Amino

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Properties and Advantages of Azoic Dye – Textile Chapter

Difference between Fast Salt and Fast Base. Azoic Dyes are found mainly in three colors and these are red, brown and yellow. It is done only for neutralization of goods. So printing becomes uneven. Brightness of azoic dye is good.

One is called impregnation bath and another is called developing bath. Azoic dyes are produced by a reaction between two components. Azoic dye stuffs once developed are very difficult to strip. Now this liquor and sample are to come in an oxidizing action in the presence of air or an oxidizing agent.


Subscribe to America’s largest dictionary and get thousands more definitions and advanced search—ad free! If the color is not received to it, then it will indicate that the sample are dyed or printed with azoic color. Advantages of Azoic Dye: It applied in flu In this way the AZO dyes are formed.

An overview of Azo dyes

Dictionary Entries near azoic dye azo dye azofication azoic azoic azoicc azoimide azole Azolla. Normally two baths are needed for dyeing: Then fabric is immersed into this solution for few minutes.

More thanwords that aren’t in our free dictionary Expanded definitions, etymologies, and usage notes Advanced search features Ad free! Azoic dyes are used for producing bright shade of color such as orange, red, scarlet, navy blue, and black color.

Have your cake and eat pie too. Each and every Spam Comment will be deleted soon. From this reaction the required azokc AZO dye is produced. Test Your Knowledge – and learn some interesting things along the way. Staple length is also most important fiber characteristics.


Addition of salt increases substantively. This specialty makes these dyes very fast to washing within the fabric market. After 2 — 3 minutes dyeing in 2nd bath, the azoic color is seen in the textile goods magically.

Azoic Dyes are classified either according to the fibers for which these can be used economically or the methods by which these dyes are applied. I n loop of knitted fabric the total amount of horizontal rows is known as course.

Aromatic amines are the chemicals from which these dyes are manufactured.

Learn More about azoic dye. This type of dye is mostly used for lighter shade dyeing. It has good color fastness. Stripping dyrs of Azoic color: It is mainly applicable for cellulose fibres. This is known as diazotization. It is directly insoluble in water. Share to Twitter Share to Facebook. Ask the Editors Word of the Year: Post a Comment Spamming is strictly Prohibited.