Red No.218

Legal color:	Red No.218
General name:	Tetrachlorotetrabromofluorescein
Class:	Solvent Dye
FDA :	D & C Red No.27
CI #:	C.I. 45410
Color #:	Solv. Red 48
CAS #:	13473-26-2
CAS :	Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2',4',5',7' -tetrabromo-4,5,6,7- tetrachloro-3',6'-dihydroxy-
IUPAC:	→1;2,4,5,7-Tetrabromo-3,6-dihydroxyxanthene-9-spiro-1'-(4',5',6',7'- tetrachlror- 3'H-isobenzofuran-3'-one →2;2',4',5',7'-Tetrabromo-4,5,6,7-tetrachloro-3',6'- dihydroxy-spiro[3H-isobenzofuran-1,9'-9H-xanthen]-3-one
Chemical structure :	Tetrachlorotetrabromofluorescein