HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 819439Erstellt: 26. Oktober 2026
furo(3,4-b)pyridin-5(7H)-one
4-AZAPHTHALIDE · azabenzenephthalazine · 7H-furo[3,4-b]pyridin-5-one · FURO[3,4-B]PYRIDIN-5(7H)-ONE · 5,7-dihydrofuropyridin-5-one · FURO[3,4-B]PYRIDIN-5(7H)-ONE/4-AZAPHTHALIDE
https://huagongshe.com/de/chemical/819439
Identifikatoren & physikalische Daten
| CAS No. | 5657-51-2 |
|---|
| Summenformel | C7H5NO2 |
|---|
| Durchschnittliche Molmasse | 135,12 g/mol |
|---|
| Monoisotopische Masse | 135,0320284 g/mol |
|---|
| SMILES | O=C1OCc2ncccc21 |
|---|
| InChIKey | YSJHADWSLVFGGT-UHFFFAOYSA-N |
|---|
| PubChem CID | 819439 |
|---|
| EC No. | 811-772-0 |
|---|
| DTXSID | DTXSID70356081 |
|---|
Chemische & physikalische Eigenschaften
| XLogP | 0,3 |
|---|
| Polarare Oberfläche (TPSA) | 39,2 |
|---|
| H-Brücken-Donoren | 0 |
|---|
| H-Brücken-Akzeptoren | 3 |
|---|
| Frei drehbare Bindungen | 0 |
|---|
| Schwere Atome | 10 |
|---|
| Formalladung | 0 |
|---|
| Komplexität | 158 |
|---|
| Schmelzpunkt | 142-144 °C |
|---|
| Siedepunkt | 330.9±37.0 °C(Predicted) |
|---|
| Dichte | 1.360±0.06 g/cm3(Predicted) |
|---|
| Lagerbedingungen | Sealed in dry,Room Temperature |
|---|
| pKa (Säurekonstante) | 1.81±0.20(Predicted) |
|---|
Sicherheit & Vorschriften
| GHS-Einstufung | WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 3 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|
| Hazard Classes and Categories | Acute Tox. 4 (100%) |
|---|
| Alarmwort | Warnung |
|---|
| Gefahrenhinweise | Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code H302 |
|---|