Chemical Component Summary

Name3-hydroxy-4-[(E)-{2-sulfo-4-[(E)-(4-sulfophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-disulfonic acid
SynonymsPonceau S
Identifiers3-hydroxy-4-[(E)-[2-sulfo-4-[(E)-(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2,7-disulfonic acid
FormulaC22 H16 N4 O13 S4
Molecular Weight672.641
TypeNON-POLYMER
Isomeric SMILESc1cc(ccc1/N=N/c2ccc(c(c2)S(=O)(=O)O)/N=N/c3c4ccc(cc4cc(c3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O
InChIInChI=1S/C22H16N4O13S4/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39)/b24-23+,26-25+
InChIKeyKMNTUASVUKNVJS-QSZPNPOGSA-N

Chemical Details

Formal Charge0
Atom Count59
Chiral Atom Count0
Bond Count62
Aromatic Bond Count23