The molecule is the organosulfonate oxoanion that is the dianionic form of the azo dye remazole orange-3R. It has a role as a dye. It is an organosulfonate oxoanion, an azo compound and a sulfone.
6-acetamido-4-hydroxy-3-[[4-(2-sulfonatooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2-sulfonate