2-PYRIDONE,K ACID, METANILIC ACID

2-Pyridone  apply to Reactive Dyes like Yellow-160, Yellow 85 and Yellow-95. Some times its apply to make print dyes like Yellow H7GL and Yellow M8G.

Cyano Pyridone apply to make Disperse Dyes.

K acid apply to making a Reactive dyes like Orange ME2RL, Golden yellow RR, Yellow M4G.

Metanilic apply to making Reactive dyes like Yellow-95, Yellow FG and some Blue colour Dyes.