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Green No.201
Legal color:Green No.201  
General name:Alizarine Cyanine Green F   
Class:Acid Dye
FDA :D & C Green No.5  
CI #:C.I. 61570
Color #:Acid Green 25
CAS #:4403-90-1
CAS :Benzenesulfonic acid,2,2'-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis [5-methyl-,disodium salt
IUPAC:→1;N,N'-Bis(4-methyl-2-sulfophenyl)-9,10-dihydroxy-9,10-dioxo-anthracene-1,4- diamine disodium salt
→2;1,4-N,N'-Bis(4-methyl-2-sulfophenyl)aminoanthraquinone disodium salt
→3;1,4-N,N'-Bis(4-methyl-2-sulfophenyl)amino-9,10-dihydroxy-9,10-dioxo- anthrace
Chemical structure :

Alizarine Cyanine Green F