HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
2-Brombut-2-en
2-BROMO-2-BUTENE · TRANS-2-BROMO-2-BUTENE · 2-BROMO-TRANS-2-BUTENE · 2-bromo-2-buten · 2-bromobut-2-ene · 2-Butene, 2-bromo- · 2-Bromine-2-butene · Bromobutenecistrans
Identifikatoren & physikalische Daten
| CAS No. | 13294-71-8 |
|---|---|
| Summenformel | C4H7Br |
| Durchschnittliche Molmasse | 135 g/mol |
| Monoisotopische Masse | 133,97311 g/mol |
| SMILES | CC=C(C)Br |
| InChIKey | UILZQFGKPHAAOU-UHFFFAOYSA-N |
| PubChem CID | 20910 |
| EC No. | 236-316-2 |
| DTXSID | DTXSID8065404 |
| Lokaler Name | 2-Brombut-2-en |
Chemische & physikalische Eigenschaften
| XLogP | 2,2 |
|---|---|
| Polarare Oberfläche (TPSA) | 0 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 0 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 5 |
| Formalladung | 0 |
| Komplexität | 45 |
| Schmelzpunkt | -115.07°C (estimate) |
| Siedepunkt | 91-92 °C(lit.) |
| Dichte | 1.331 g/mL at 25 °C(lit.) |
| Brechungsindex | n20/D 1.461(lit.) |
| Flammpunkt | 34 °F |
| Lagerbedingungen | 2-8°C |
| Aggregatzustand | Liquid |
| Farbe | Clear yellow to brownish |
| Wichte | 1.328 |
| Löslichkeit | Not miscible or difficult to mix in water (664 mg/L 25 EST). |
| BRN | 1733329 |
| EPA chemische Informationen | 2-Butene, 2-bromo- (13294-71-8) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 46 reports by companies from 2 notifications to the ECHA C&L Inventory.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. |
|---|---|
| Hazard Classes and Categories | Flam. Liq. 2 (100%) |
| Wassergefährdungsklasse (WGK) | 3 |
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | UN 1993 3/PG 2 |
| Zollcode | 29033919 |
| R-Sätze (R) | 11 |
| Gefahrensymbole | F |
| Sicherheitshinweise (S) | 16-29-33 |
| Gefahrenklasse | 3 |
| Verpackungsgruppe | II |
Anwendungen & Verwendung
Verwenden
2-Bromo-2-butene was used in the synthesis of substituted catechol derivatives and mono-annelated benzenes.