What is a Dye?

A Dye is both an organic and inorganic substance that tend to absorb light and reflect some lights to radiate the colour. They are water-soluble substances.

Criteria for a Suitable Dye

• Cost-effective

• Non-toxic

• Possess excellent brightness and fastness

• Good levelness of materials

• Compatible with all the other dyes and chemicals

Classification of Dyes

The dyes are classified based on:

• Common Parent Structure or Chemical Classification

• Their Applications

Classification based on common parent structure or chemical classification of dyes:

• Phthalocyanine dyes

• Sulphur dyes

• Azo dyes

• Nitro dyes

• Nitroso dyes

• Stilbene dyes

• Xanthenei dyes

• Quinoline dyes

• Methine dyes

• Acridine dyes

• Thiazole dyes

• Thine dyes

• Indamine dyes

• Oxazine dyes

• Azine dyes

• Lectone dyes

• Anthra quinine dyes

• Indigoid dyes

Classification based on the application of dyes:

• Basic dyes

• Acid dyes

• Direct dyes

• Reactive dyes

• Sulphur dyes

• Disperse dyes

• Vat dyes

• Premetallized dyes

• Azoic (Naphthol) dyes

Alliance Organics LLP is one of the top dyes manufacturers in India offers high-quality dyes at an economical rate.

Source: — Classification of Dyes