Shramik Chemicals manufactures Acetone Soluble Basic Brown R Dyes. Shramik Chemicals is the supplier of acid dyes and direct dyes. Acetone Soluble Basic Brown R Dyes is sued as textile dyes, leather dyes etc. Acetone Soluble Basic Brown R Dyes Very soluble in water solutions in ethanol, cellulose, practically in benzene in concentrated sulfuric acid gives brown solution, which on dilution turns reddish brown in concentrated HNO 3 gives violet solution which turns brown. The chemical name of this dye is 5, 5-[[4 -mithly 1 - mphenylebis 920]]bis [Toluene 2,4 - diamine ] bityrochloride.