Reaction products of diazotised 2-amino-5-{[2-(sulfooxy)ethyl]sulfonyl}benzenesulfonic acid coupled with 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid under acidic conditions, further coupled with diazotised reaction products of 2,4,6-trifluoro-1,3,5-triazine with 2-[(2-anilinoethyl)sulfonyl]ethyl hydrogen sulfate and 2,4-diaminobenzenesulfonic acid (1:1:1) under alkaline conditions, potassium sodium salts

Reference substances

IUPAC name:

potassium tetrasodium 4-amino-6-[2-{5-[(4-{[2-(ethenesulfonyl)ethyl](phenyl)amino}-6-hydroxy-1,3,5-triazin-2-yl)amino]-2-sulfonatophenyl}diazen-1-yl]-5-hydroxy-3-[2-{2-sulfonato-4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2,7-disulfonate

Molecular and structural information

Molecular formula:

C37H29KN10Na4O22S7

Molecular weight:

1 321.2

SMILES notation:

[Na+].[Na+].[Na+].[Na+].[K+].NC1=C(\N=N\C2=C(C=C(C=C2)S(=O)(=O)CCOS([O-])(=O)=O)S([O-])(=O)=O)C(=CC2=CC(=C(\N=N\C3=C(C=CC(NC4=NC(O)=NC(=N4)N(CCS(=O)(=O)C=C)C4=CC=CC=C4)=C3)S([O-])(=O)=O)C(O)=C12)S([O-])(=O)=O)S([O-])(=O)=O

Structural formula: