A dye which is capable of reacting chemically with a substrate from a covalent dye-substrate linkage is known as reactive dye. In a reactive dye a chromophore contains a substituent that reacts with substrate. Reactive dyes are very widely used over the world. Reactive dyes has good fastness properties. Reactive dyes first tested in late 1800s and got commercial success in early 1950s. Reactive dyes are found it powder, liquid and print paste form.
Use of Reactive Dyes:
Reactive dyes are mostly used for dying cellulose like cotton and flex. But reactive dyes can use for wool dyeing too.
Different Types of Reactive Dyes:
