Structure of reactive dyes

Structure of reactive dyes:

The four characteristics feature of a typical reactive dyes are:

- The chromophoric grouping, contributing the color and much of the substantivity for cellulose;

- The reactive system, enabling the dye to react with the hydroxy group with water and cellulose;

- A bridge group that links the reactive system to the chromophore;

- One or more solubilizing groups, usually sulphonic acid substituents attached to the chromophoric grouping.





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