Dyestuffs

Acid dyes are anionic, soluble in water and are essentially applied from acidic bath. These dyes possess acidic groups, such as SO3H and COOH and are applied on wool, silk and nylon when ionic bond is established between protonated –NH2 group of fibre and a...

Features Optical brighteners are synthetic chemicals which are added to the liquid and detergent powder to make clothing appear whiter, brighter and cleaner. They are the modern day replacements for the decades old method of bluing adding small amounts of b...

Disperse dye is one kind of organic substance which is free from ionizing group. It is less soluble in water and used for dyeing synthetic textile materials. Disperse dyes achieve their best results when the dying process takes place at high t...

Metal complex dye are a family of dyes that contain metals coordinated to the organic portion. Many azo dyes, especially those derived from naphthols, form metal complexes by complexation of one of the azo nitrogen centers. Metal complex dyes are premetalli...

A solvent dye is a dye which is soluble in organic solvents and is frequently used as a solution in those solvents. This category of dyes is used to color items such as waxes, lubricants, plastics, and other hydrocarbon-based nonpolar materials. Any dyes us...