Reactive Yellow H4G also known as reactive yellow 18 is a water-soluble reactive dye that is used to impart a golden yellow color to various types of substrates. It is highly suitable for cotton, viscose, and silk. This industrial-grade coloring compound can also be used for the production of printing ink due to its excellent color discharging properties. Reactive Yellow H4G has a lightfastness of 6 on a standard ISO scale. Get this industrial compound from us at a reasonable and low price range.