4,5,6,7-Tetrachlor-3',6'-dihydroxy-2',4',5',7'-tetraiodspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on
Bezeichnung:4,5,6,7-Tetrachlor-3',6'-dihydroxy-2',4',5',7'-tetraiodspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on
CAS-Nr4159-77-7
Englisch Name:ROSE BENGAL LACTONE
CBNumberCB8331887
SummenformelC20H4Cl4I4O5
Molgewicht973.67
MOL-Datei4159-77-7.mol
Synonyma
4,5,6,7-Tetrachlor-3',6'-dihydroxy-2',4',5',7'-tetraiodspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on
4,5,6,7-Tetrachlor-3',6'-dihydroxy-2',4',5',7'-tetraiodspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on physikalisch-chemischer Eigenschaften
Schmelzpunkt | 280 °C (dec.)(lit.) |
storage temp. | room temp |
Siedepunkt | 741.8±60.0 °C(Predicted) |
Dichte | 2.96±0.1 g/cm3(Predicted) |
pka | 7.03±0.20(Predicted) |
Aggregatzustand | powder |
Farbe | pink to red |
maximale Wellenlänge (λmax) | 557 nm |
ε(Extinktionskoeffizient) | ≥10000 at 317-323nm ≥30000 at 516-522nm ≥95000 at 554-560nm |
EPA chemische Informationen | Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo- (4159-77-7) |