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trans-1,4-Dibrombut-2-en
trans-1,4-Dibromo-2-butene · Dibromobutene · 4-DibroMo-2-butene · 1,4-Dibromo-1-butene · (E)-1,4-Dibromobut-2 · 1,4-DIBROMO-2-PENTENE · 4-dibromo-(e)-2-buten · 1,4-dibromo-, trans-
Identifikatoren & physikalische Daten
| CAS No. | 6974-12-5 |
|---|---|
| Summenformel | C4H6Br2 |
| Durchschnittliche Molmasse | 213,9 g/mol |
| Monoisotopische Masse | 211,88362439 g/mol |
| SMILES | BrC/C=C/CBr |
| InChIKey | RMXLHIUHKIVPAB-OWOJBTEDSA-N |
| PubChem CID | 641245 |
| ChEMBL | CHEMBL1324439 |
| EC No. | 212-472-7 |
| DTXSID | DTXSID8024941 |
| Lokaler Name | trans-1,4-Dibrombut-2-en |
Chemische & physikalische Eigenschaften
| XLogP | 2,1 |
|---|---|
| Polarare Oberfläche (TPSA) | 0 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 0 |
| Frei drehbare Bindungen | 2 |
| Schwere Atome | 6 |
| Formalladung | 0 |
| Komplexität | 34,8 |
| Löslichkeit | less than 1 mg/mL at 66 °F (NTP, 1992)Chloroform (Slightly), Methanol (Slightly)slightly soluble |
| Flammpunkt | greater than 235 °F (NTP, 1992)113°C |
| Siedepunkt | 397 °F at 760 mmHg (NTP, 1992)205 °C(lit.) |
| Schmelzpunkt | 128.1 °F (NTP, 1992)48-51 °C(lit.) |
| Physical Description | Crystals or white crystalline solid. (NTP, 1992) |
| Dichte | 1.9393 (estimate) |
| Brechungsindex | 1.5361 (estimate) |
| Lagerbedingungen | 2-8°C |
| Aggregatzustand | Crystals or Crystalline Powder |
| Farbe | colorless to slightly brown |
| BRN | 1719696 |
| Stabilität | Light Sensitive |
| InChI | 1S/C4H6Br2/c5-3-1-2-4-6/h1-2H,3-4H2/b2-1+ |
| InChIKey | RMXLHIUHKIVPAB-OWOJBTEDSA-N |
| SMILES | BrC\C=C\CBr |
| CAS Datenbank | 821-06-7(CAS DataBase Reference) |
| NIST chemische Informationen | 2-Butene, 1,4-dibromo-, (E)-(821-06-7) |
| EPA chemische Informationen | 2-Butene, 1,4-dibromo-, (2E)- (821-06-7) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH301 (99.4%): Toxic if swallowed [Danger Acute toxicity, oral]P203, P260, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P318, P320, P321, P330, P333+P317, P361+P364, P362+P364, P363, P391, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 154 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | Status: Cease Manufacture Update: 18-05-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/131262-Butene, 1,4-dibromo-, (2E)-: Does not have an individual approval but may be used under an appropriate group standard |
| DOT-Kennzeichnung | Poison |
| Brandgefahren | This chemical is probably combustible. (NTP, 1992) |
| Gesundheitsgefahren | SYMPTOMS: Symptoms of exposure to this compound include corrosion, vesication and extreme destruction of tissue of the mucous membranes and upper respiratory tract, eyes and skin. Lacrimation may occur. Inhalation may be fatal as a result of spasm, inflammation and edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema. Other symptoms include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. Blisters may result from skin contact. |
| Reaktive Gruppe | Halogenated Organic Compounds |
| Reactivity Profile | (E)-1,4-DIBROMO-2-BUTENE is incompatible with strong oxidizers and strong bases. (NTP, 1992) |
| Air and Water Reactions | This chemical may be sensitive to exposure to light and air. Insoluble in water. |
| Hazard Classes and Categories | Acute Tox. 3 (99.4%) |
| Brandbekämpfung | Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992) |
| Erste Hilfe |
Anwendungen & Verwendung
Verwenden
(2E)-1,4-Dibromo-2-butene, is used as a reagent in the preparation of diaminoalkenes though copper-mediated diamination reaction.