2,4-Dihydro-5-methyl-3H-pyrazol-3-on
Bezeichnung:2,4-Dihydro-5-methyl-3H-pyrazol-3-on
CAS-Nr108-26-9
Englisch Name:3-Methyl-2-pyrazolin-5-one
CBNumberCB4703239
SummenformelC4H6N2O
Molgewicht98.1
MOL-Datei108-26-9.mol
Synonyma
2,4-Dihydro-5-methyl-3H-pyrazol-3-on
2,4-Dihydro-5-methyl-3H-pyrazol-3-on physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 220-224 °C |
| Siedepunkt | 183.6°C (rough estimate) |
| Dichte | 1.1890 (rough estimate) |
| Brechungsindex | 1.4327 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| Löslichkeit | Slightly soluble in ethanol. |
| pka | 13.10±0.40(Predicted) |
| Aggregatzustand | powder to crystal |
| Farbe | White to Light yellow |
| CAS Datenbank | 108-26-9(CAS DataBase Reference) |
| NIST chemische Informationen | 3H-pyrazol-3-one, 2,4-dihydro-5-methyl-(108-26-9) |
| EPA chemische Informationen | 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl- (108-26-9) |
| R-Sätze: | 36/37/38 |
| S-Sätze: | 24/25 |
| WGK Germany | 3 |
| RTECS-Nr. | UQ9451500 |
| TSCA | Yes |
| HS Code | 29331990 |
| Toxizität | rat,LDLo,unreported,600mg/kg (600mg/kg),Biochemical Pharmacology. Vol. 14, Pg. 1325, 1965. |
