HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
1-Benzo-2-oxa-1,3-diazoloxid
benzo[c][1,2,5]oxadiazole 1-oxide · BENZOFUROXANE · 3-oxido-2,1,3-benzoxadiazol-3-ium · KIH-403 · AKOS 93854 · enzofurxan · Benzofuzan · BENZOFUROXAN
Identifikatoren & physikalische Daten
| CAS No. | 480-96-6 |
|---|---|
| Summenformel | C6H4N2O2 |
| Durchschnittliche Molmasse | 136,11 g/mol |
| Monoisotopische Masse | 136,02727738 g/mol |
| SMILES | [O-][n+]1onc2ccccc21 |
| InChIKey | OKEAMBAZBICIFP-UHFFFAOYSA-N |
| PubChem CID | 68075 |
| ChEMBL | CHEMBL2413971 |
| EC No. | 207-559-1 |
| DTXSID | DTXSID5060063 |
| Lokaler Name | 1-Benzo-2-oxa-1,3-diazoloxid |
Chemische & physikalische Eigenschaften
| XLogP | 1,4 |
|---|---|
| Polarare Oberfläche (TPSA) | 51,5 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 3 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 10 |
| Formalladung | 0 |
| Komplexität | 131 |
| Schmelzpunkt | 66-69 °C |
| Siedepunkt | 250.35°C (rough estimate) |
| Dichte | 1.4175 (rough estimate) |
| Dampfdruck | 5.8Pa at 25℃ |
| Brechungsindex | 1.4738 (estimate) |
| Lagerbedingungen | Sealed in dry,2-8°C |
| Löslichkeit | Acetone (Slightly), Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)Soluble in methanol. Insoluble in water. |
| Aggregatzustand | Solid |
| pKa (Säurekonstante) | 4.58±0.46(Predicted) |
| Farbe | Yellow |
| BRN | 125112 |
| LogP (Verteilungskoeffizient) | 1.43 |
| CAS Datenbank | 480-96-6(CAS DataBase Reference) |
| NIST chemische Informationen | Benzofurazan, 1-oxide(480-96-6) |
| EPA chemische Informationen | 2,1,3-Benzoxadiazole, 1-oxide (480-96-6) |
Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 8.5% (4 of 47) of reports.WarningH315 (91.5%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (91.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (87.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 47 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Reported as not meeting GHS hazard criteria per 4 of 47 reports by companies.There are 6 notifications provided by 43 of 47 reports by companies with hazard statement code(s).Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. |
|---|---|
| Regulatorische Informationen | Status: Active Update: 10-12-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/22876 |
| Hazard Classes and Categories | Skin Irrit. 2 (91.5%)Eye Irrit. 2 (91.5%)STOT SE 3 (87.2%) |
| TSCA-Inventar-Status | TSCA listed |
| Zollcode | 29322090 |
| R-Sätze (R) | 36/37/38 |
| Gefahrensymbole | Xi |
| Sicherheitshinweise (S) | 24/25-36-26 |
Anwendungen & Verwendung
Verwenden
Benzofuroxan is used as an oxidant for the preparation of 2-arylsubstituted benzimidazoles, quinoxalines and 1,4-bis(alkylamino)-9,10-anthracenediones. It is also sued in the synthesis of 1,2-dinitrosobenzene.