1-(2,4-Dimethylphenylazo)-2-naphthol
Bezeichnung:1-(2,4-Dimethylphenylazo)-2-naphthol
CAS-Nr3118-97-6
Englisch Name:SUDAN II
CBNumberCB0451952
SummenformelC18H16N2O
Molgewicht276.33
MOL-Datei3118-97-6.mol
Synonyma
1-(2,4-Dimethylphenylazo)-2-naphthol
1-(2,4-Dimethylphenylazo)-2-naphthol physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 156-158 °C(lit.) |
| Siedepunkt | 419.24°C (rough estimate) |
| Dichte | 1.1318 (rough estimate) |
| Dampfdruck | 0Pa at 25℃ |
| Brechungsindex | 1.5800 (estimate) |
| storage temp. | Hygroscopic, Refrigerator, Under inert atmosphere |
| Löslichkeit | Chloroform (Slightly), DMSO (Slightly, Heated, Sonicated), Ethyl Acetate (Slight |
| Colour Index | 12140 |
| pka | 13.52±0.50(Predicted) |
| Aggregatzustand | Powder |
| Farbe | Red to orange-brownish |
| Wasserlöslichkeit | 54.45μg/L at 25℃ |
| maximale Wellenlänge (λmax) | 493 nm 604 nm (2nd) |
| ε(Extinktionskoeffizient) | ≥14000 at 491-497nm in methanol at 0.005g/L ≥9000 at 419-425nm in methanol at 0.005g/L |
| Stabilität | Hygroscopic |
| LogP | 6.6 |
| CAS Datenbank | 3118-97-6 |
| IARC | 3 (Vol. 8, Sup 7) 1987 |
| Kennzeichnung gefährlicher | Xi |
| R-Sätze: | 36/37/38 |
| S-Sätze: | 26-37/39-24/25 |
| WGK Germany | 3 |
| RTECS-Nr. | QL5850000 |
| TSCA | Yes |
| HS Code | 32129000 |
| Giftige Stoffe Daten | 3118-97-6(Hazardous Substances Data) |
