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
156592305
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.[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]

Names & Synonyms

  • Ponceau S
  • AKOS040745303
  • 6226-79-5
  • 2,7-Naphthalenedisulfonic acid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-, tetrasodiumsalt
  • 3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt