The molecule is a bis(azo) compound with two aryldiazenyl moieties placed at positions 2 and 7 of a multi-substituted naphthalene. It has a role as a dye. It is a bis(azo) compound, a sulfone and an organic sodium salt. It contains a remazole black-GR (4-).
tetrasodium;4-amino-5-hydroxy-3,6-bis[[4-(2-sulfonatooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonate