Orange No.205

Legal color:	Orange No.205
General name:	Orange �U
Class:	Acid Dye
FDA :	D & C Orange No.4
CI #:	C.I. 15510
Color #:	Acid Orange 7
CAS #:	633-96-5
CAS :	Benzenesulfonic acid,4-[(2-hydroxy-1-naphthalenyl)azo]-,monosodium salt
IUPAC:	→1;Sodium 4-(2-hydroxynaphthylazo)benzenesulfonate →2;4-(2-Hydroxynaphthylazo)benzenesulfonic acid sodium salt
Chemical structure :	Orange �U