Ponceau 4R

• Synonyms :

  Acid Red 18, New Coccine

• Purity :

  =98%

• Smiles :

  O=S([O-])(C1=CC2=CC=C(C(/N=N/C3=CC=C(S(=O)([O-])=O)C4=C3C=CC=C4)=C2C(S(=O)([O-])=O)=C1)O)=O.[Na+].[Na+].[Na+]

• CAS Number :

  2611-82-7