Shramik Chemicals offers Water Soluble Direct Paper Yellow Dyes. Shramik Chemicals is the supplier of acid dyes and direct dyes. Water Soluble Direct Paper Yellow Dyes is used for dying & printing of wool, nylon & silk, indicator [ph range 6.4 to 9.4, co change from yellow to reddish orange], paper [beater dying & surface coloring], leather & biological stain. Water Soluble Direct Paper Yellow Dyes is soluble with golden color. The chemical name of this dye is 2, 2 - 1-[1 - 2 Ethenediy 1] bis [ 5 - [4-hydroxypheny 1 ] azo ] Benzene Sulphonic Acid Disodium Salt.