The dye which is capable of reacting chemically with a substrate to form a covalent dye-substrate linkage is known as reactive dye. D-SO2-CH2-CH2-OSO3Na + OH-Cell →D- SO2-CH2-CH2-O-Cell + NaHSO3 Trade name: Poocion Cebacron Remazol Levafix Primazin Properties: Reactive dyes are cationic dyes. Found in powder or liquid form. Forms covalent bond. Soluble in water. Very …