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Red No.506

Legal color:Red No.506  
General name:Fast Red S   
Class:
FDA :  
CI #:C.I. 15620
Color #:Acid Red 88
CAS #:1658-56-6
CAS :1-Naphthalenesulfonic acid,4-[(2-hydroxy-1-naphthalenyl)azo]-,monosodium salt
IUPAC:→1;Sodium 4-(2-hydroxy-1-naphthylazo)-1-naphthalenesulfonate
→2;4-(2-Hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid sodium salt
Chemical structure: