Pyridin-2,3-dicarbonsureanhydrid
Bezeichnung:Pyridin-2,3-dicarbonsureanhydrid
CAS-Nr699-98-9
Englisch Name:2,3-Pyridinedicarboxylic anhydride
CBNumberCB5268658
SummenformelC7H3NO3
Molgewicht149.1
MOL-Datei699-98-9.mol
Synonyma
Pyridin-2,3-dicarbonsureanhydrid
Pyridin-2,3-dicarbonsureanhydrid physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 137-139 °C (lit.) |
| Siedepunkt | 270.14°C (rough estimate) |
| Dichte | 1.4974 (rough estimate) |
| Brechungsindex | 1.4835 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| pka | -2.24±0.20(Predicted) |
| Aggregatzustand | powder to crystal |
| Farbe | White to Orange to Green |
| Wasserlöslichkeit | Optimal solubility in water. |
| Sensitive | Moisture Sensitive |
| BRN | 125111 |
| InChI | InChI=1S/C7H3NO3/c9-6-4-2-1-3-8-5(4)7(10)11-6/h1-3H |
| InChIKey | MCQOWYALZVKMAR-UHFFFAOYSA-N |
| SMILES | C12C(=O)OC(=O)C1=CC=CN=2 |
| CAS Datenbank | 699-98-9(CAS DataBase Reference) |
| NIST chemische Informationen | 2,3-Pyridinedicarboxylic anhydride(699-98-9) |
| EPA chemische Informationen | Furo[3,4-b]pyridine-5,7-dione (699-98-9) |
| Kennzeichnung gefährlicher | Xi |
| R-Sätze: | 36/37/38 |
| S-Sätze: | 26-36-37/39 |
| WGK Germany | 3 |
| F | 10-21 |
| TSCA | TSCA listed |
| HS Code | 29333990 |
| Speicherklasse | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
