Ponceau S

• Synonyms:

  Acid Red 112

• Smiles:

  [Na+].[Na+].[Na+].[Na+].Oc1c(cc2cc(ccc2c1\N=N\c1ccc(cc1S([O-])(=O)=O)\N=N\c1ccc(cc1)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O

• CAS Number:

  6226-79-5