Ponceau S
3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2,7-disulfonic acid
Also Known As: Ponceau S|Ponceau S Extra|Ponceau Red S|Ponceau S free acid|Ponceau S (acid form)|C.I. Acid Red 112|C.I. 27195|C.I. Acid Red 112, tetrasodium salt|3-Hydroxy-4-[(E)-{2-Sulfo-4-[(E)-(4-Sulfophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-Disulfonic Acid|3-hydroxy-4-({2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2,7-disulfonic acid|3-Hydroxy-4-(2-sulfo-4-(4-sulfophenylazo)phenylazo)-2,7-naphthalene-disulfonic acid tetrasodium salt|2, 3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-, tetrasodium salt|2-Hydroxy-1-[[4[(4-sulfophenyl)azo]-2-sulfophenyl]azo]naphthalene-3, tetrasodium salt|(4E)-3-oxo-4-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonic acid|(4Z)-3-oxo-4-[[2-sulfo-4-(4-sulfophenyl)azo-phenyl]hydrazono]naphthalene-2,7-disulfonic acid|(4Z)-3-oxo-4-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonic acid|2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[[2-sulfo-4-[ (4-sulfophenyl)azo]phenyl]azo]-, tetrasodium salt|3-hydroxy-4-({2-sulfo-4-[(4-sulfophenyl)-diazenyl]-phenyl}-diazenyl)-naphthalene-2,7-disulfonic acid|3-hydroxy-4-(2-{2-sulfo-4-[2-(4-sulfophenyl)diazen-1-yl]phenyl}diazen-1-yl)naphthalene-2,7-disulfonic acid|3-Hydroxy-4-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-2,7-naphthalenedisulfonic acid|3-oxo-4-(2-{2-sulfo-4-[2-(4-sulfophenyl)hydrazin-1-ylidene]cyclohexa-2,5-dien-1-ylidene}hydrazin-1-ylidene)naphthalene-2,7-disulfonic acid|3-oxo-4-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonic acid|QV7
| Molecular Formula | C22H16N4O13S4 |
|---|---|
| Molecular Weight | 671.95966 g/mol |
| LogP | 1.9 |
| Topological Polar Surface Area | 321.0 Ų |
| Hydrogen Bond Donors | 5 |
| Hydrogen Bond Acceptors | 17 |
| Rotatable Bonds | 8 |
| Exact Mass | 671.95966 |
| Monoisotopic Mass | 671.95966 |
| Heavy Atoms | 43 |
| Complexity | 1490.0 |
Chemical Identifiers
| CAS Number | 25317-44-6 |
|---|---|
| SMILES | C1=CC(=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O |
| InChIKey | KMNTUASVUKNVJS-UHFFFAOYSA-N |
Patent-Derived Application Labels
Derived from 4 IPC patent classification(s) across the SureChEMBL global patent database.
Product Overview
Ponceau S (CAS 25317-44-6), with molecular formula C22H16N4O13S4 and molecular weight 671.95966 g/mol. IUPAC: 3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2,7-disulfonic acid.