FormulaC20H12N2Na2O7S2
IUPACdisodium;4-hydroxy-3-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
SMILESC1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C4=CC=CC=C4C(=C3)S(=O)(=O)[O-])O.[Na+].[Na+]
CAS3567-69-9
Europe numberE122
Color index14720