2-(2,7-Dichlor-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoesure
Bezeichnung:2-(2,7-Dichlor-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoesure
CAS-Nr76-54-0
Englisch Name:2',7'-Dichlorofluorescein
CBNumberCB0690319
SummenformelC20H10Cl2O5
Molgewicht401.2
MOL-Datei76-54-0.mol
Synonyma
2-(2,7-Dichlor-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoesure
2-(2,7-Dichlor-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoesure physikalisch-chemischer Eigenschaften
Schmelzpunkt | 280 °C (dec.)(lit.) |
Siedepunkt | 514.77°C (rough estimate) |
Dichte | 0.79 g/mL at 20 °C |
Brechungsindex | 1.5300 (estimate) |
Flammpunkt | 12°C (53.6°F) |
storage temp. | room temp |
Löslichkeit | alcohol: passes test |
pka | 4.46(at 25℃) |
Aggregatzustand | crystalline |
Farbe | orange to red-brown, powder |
Säure-Base-Indikators(pH-Indikatoren) | 4.0 (colorless) - 6.6 (green) |
Wasserlöslichkeit | Soluble in ethanol and methanol. Slightly dimethyl sulfoxide. Insoluble in water. |
maximale Wellenlänge (λmax) | 509nm |
BRN | 58009 |
Stabilität | Stable. Incompatible with strong oxidizing agents. |
Major Application | Electroluminescent devices, sol-gel silica films, integrated circuits, photoresists, lithographic printing plates, recording material, LED devices, photoconductors, Solid-state dye laser, lithographic printing plates, inks, Fluorescent pH sensors, emissive probes, chemotherapeutic treatment of disease, phototherapeutic treatment of disease, photodynamic treatment of disease |
InChIKey | NZVMJBGGAQSNLI-UHFFFAOYSA-N |
CAS Datenbank | 76-54-0(CAS DataBase Reference) |
Kennzeichnung gefährlicher | Xi,F |
R-Sätze: | 36/37/38-36-67-11 |
S-Sätze: | 26-36-16 |
RIDADR | UN 1219 3/PG 2 |
WGK Germany | 3 |
RTECS-Nr. | NT8050000 |
TSCA | Yes |
HS Code | 3204 19 00 |