Ponceau 4R
Product Specifications
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
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