Red No.220

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