4,5,6,7-tetrachlorofluorescein

product Name	4,5,6,7-tetrachlorofluorescein
Synonyms	3,4,5,6-Tetrachlorofluorescein; 4,5,6,7-Tetrachloro-3',6'-dihydroxyspiro(isobenzofuran- 1(3H),9'-(9H)xanthene)-3-one; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4,5,6,7- tetrachloro-3',6'-dihydroxy-; Tetrachloro fluorescein; 4,5,6,7-tetrachloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one; 2,3,4,5-tetrachloro-6-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid
Molecular Formula	C₂₀H₈Cl₄O₅
Molecular Weight	470.0865
InChI	InChI=1/C20H8Cl4O5/c21-16-14(15(20(27)28)17(22)19(24)18(16)23)13-9-3-1-7(25)5-11(9)29-12-6-8(26)2-4-10(12)13/h1-6,25H,(H,27,28)
CAS Registry Number	6262-21-1;13245-63-1
EINECS	228-413-3
Molecular Structure
Density	1.8g/cm³
Boiling point	725.6°C at 760 mmHg
Refractive index	1.768
Flash point	392.6°C