4',5'-Dibrom-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on
Bezeichnung:4',5'-Dibrom-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on
CAS-Nr596-03-2
Englisch Name:4',5'-Dibromofluorescein
CBNumberCB0321934
SummenformelC20H10Br2O5
Molgewicht490.1
MOL-Datei596-03-2.mol
Synonyma
4',5'-Dibrom-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on
4',5'-Dibrom-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 270-273 °C(lit.) |
| Siedepunkt | 633.7±55.0 °C(Predicted) |
| Dichte | 1.6743 (rough estimate) |
| Dampfdruck | 0Pa at 25℃ |
| Brechungsindex | 1.5010 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 8.14±0.20(Predicted) |
| Aggregatzustand | powder to crystal |
| Colour Index | 45370 |
| Farbe | Light yellow to Brown |
| Wasserlöslichkeit | 153.49μg/L at 25℃ |
| ε(Extinktionskoeffizient) | ≥5000 at 445-451nm ≥50000 at 227-233nm |
| maximale Wellenlänge (λmax) | 450 nm |
| Merck | 14,3022 |
| BRN | 57189 |
| Major Application | diagnostic assay manufacturing hematology histology |
| Kosmetik-Inhaltsstoffe Funktionen | HAIR DYEING COLORANT |
| InChI | 1S/C20H10Br2O5/c21-15-13(23)7-5-11-17(15)26-18-12(6-8-14(24)16(18)22)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,23-24H |
| Kennzeichnung gefährlicher | Xi,T |
| R-Sätze: | 36-25-36/37/38 |
| S-Sätze: | 22-24/25-45-36-26 |
| RIDADR | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS-Nr. | LM5200000 |
| TSCA | TSCA listed |
| HS Code | 32129000 |
| Speicherklasse | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| Hazard Classifications | Acute Tox. 3 Oral |
