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Red No.221

   
Legal color:Red No.221
General Name:Toluidine Red
Class:Pigment
FDA:(D & C Red No.35)
CI #:C.I. 12120
Color #:Pig. Red 3
CAS #:2425-85-6
CAS:2-Naphthalenol,1-[(4-methyl-2-nitrophenyl)azo]-
IUPAC:→1;1-(4-Methyl-2-nitrophenylazo)-2-naphthol
Chemical structure:

Toluidine Red