Blue No.202

Legal color:	Blue No.202
General name:	Patent Blue NA
Class:
FDA :
CI #:	C.I. 42052
Color #:	Acid Blue 5
CAS #:	3374-30-9
CAS :	Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl(phenylmethyl)amino]phenyl](5- hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-,hydroxide,inner salt,calcium salt(2:1)
IUPAC:	→1;Sodium di[4-(N-ethyl-N-benzyl)aminophenyl]-5-hydroxy-2,4-disulfonatophenylmethylium (?) →2;Di[4-(N-ethyl-N-benzyl)aminophenyl]-5-hydroxy-2,4-disulfophenylmethylium sodium salt (?)
Chemical structure :