Chemical Compound

Ponceau S

CAS Registry Number 6226-79-5
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Ponceau S chemical structure
Primary Record

Ponceau S

In stock
562 g
Purity
98.4 %
CAS
6226-79-5

Compound Identifiers & Properties

CAS
6226-79-5
PubChem CID
101933731
SMILES
C1=CC(=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C4C=CC(=CC4=CC(=C3[O-])S(=O)(=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Canonical SMILES
O=S(=O)([O-])c1ccc(N=Nc2ccc(N=Nc3c([O-])c(S(=O)(=O)O)cc4cc(S(=O)(=O)[O-])ccc34)c(S(=O)(=O)[O-])c2)cc1.[Na+].[Na+].[Na+].[Na+]

Names & Synonyms

  • Ponceau S
  • Ponceau S, BS
  • C22H12N4Na4O13S4
  • MFCD00003892
  • Ponceau solution 0.1% in 5% acetic acid
  • F545245
  • F987500
  • 6226-79-5
  • tetrasodium;3-hydroxy-4-[2-sulfonato-4-(4-sulfonatophenyl)azo-phenyl]azo-naphthalene-2,7-disulfonate