2-Oxopyran-5-carbonsure
Bezeichnung:2-Oxopyran-5-carbonsure
CAS-Nr500-05-0
Englisch Name:Coumalic acid
CBNumberCB6382395
SummenformelC6H4O4
Molgewicht140.09
MOL-Datei500-05-0.mol
Synonyma
2-Oxopyran-5-carbonsure
2-Oxopyran-5-carbonsure physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 203-205 °C (dec.) (lit.) |
| Siedepunkt | 218 °C/120 mmHg (lit.) |
| Dichte | 1.2154 (rough estimate) |
| Brechungsindex | 1.4434 (estimate) |
| Flammpunkt | 218°C/120mm |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 2.80±0.20(Predicted) |
| Aggregatzustand | powder to crystal |
| Farbe | White to Light yellow to Light orange |
| Wasserlöslichkeit | Very soluble in water. |
| Merck | 14,2557 |
| BRN | 119747 |
| LogP | 0.411 (est) |
| CAS Datenbank | 500-05-0(CAS DataBase Reference) |
| NIST chemische Informationen | 2H-Pyran-5-carboxylic acid, 2-oxo-(500-05-0) |
| EPA chemische Informationen | 2H-Pyran-5-carboxylic acid, 2-oxo- (500-05-0) |
