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Yellow No.406

Legal color:Yellow No.406  
General name:Metanil Yellow   
Class:Acid Dye
FDA :(EXT.D & C Yellow No.1)  
CI #:C.I. 13065
Color #:Acid Yellow 36
CAS #:587-98-4
CAS :Benzenesulfonic acid,3-[[4-(phenylamino)phenyl]azo]-,monosodium salt
IUPAC:→1;Sodium 3-[(4-N-phenylamino)phenylazo]benzenesulfonate
→2;Sodium 3-[(4-anilino)phenylazo]benzenesulfonate
→3;3-[(4-Anilino)phenylazo]benzenesulfonic acid sodium salt
Chemical structure :

Metanil Yellow