Ponceau S

tetrasodium;3-hydroxy-4-[[2-sulfonato-5-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2,7-disulfonate

Also Known As: Ponceau S, Ponceau S Extra, Direct Violet 7, Ponceau Red S, C.I. Acid Red 112, Ponceau S (C.I. 27195), EINECS 228-319-2, C.I. Acid Red 112, tetrasodium salt, C.I. 27195, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-sulfo-4-((4-sulfophenyl)azo)phenyl)azo)-, tetrasodium salt, 2-Hydroxy-1-((4((4-sulfophenyl)azo)-2-sulfophenyl)azo)naphthalene-3,6-disulfonic acid, tetrasodium salt, tetrasodium 3-hydroxy-4-(2-{2-sulfonato-5-[2-(4-sulfonatophenyl)diazen-1-yl]phenyl}diazen-1-yl)naphthalene-2,7-disulfonate, Tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonate

Molecular Formula	C22H12N4Na4O13S4
Molecular Weight	759.88745 g/mol
LogP	-8.99
Topological Polar Surface Area	298.47 Ų
Hydrogen Bond Donors	1
Hydrogen Bond Acceptors	17
Rotatable Bonds	8
Exact Mass	759.88745
Heavy Atoms	47
Complexity	2305

Chemical Identifiers

CAS Number	6226-79-5
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)S(=O)(=O)[O-])N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]