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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