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2,3-Dibromthiophen
S0513 · NSC 99003 · AKOS 91257 · 2,3-Dibromthiophen · BUTTPARK 146\50-38 · 2,3-DIBROMOTHIOPHENE · 2,3-Dibromothiophene>2,3-Dibromothiophene 98% · Thiophene, 2,3-dibromo-
Identifikatoren & physikalische Daten
| CAS No. | 3140-93-0 |
|---|---|
| Summenformel | C4H2Br2S |
| Durchschnittliche Molmasse | 241,93 g/mol |
| Monoisotopische Masse | 239,8244 g/mol |
| SMILES | Brc1ccsc1Br |
| InChIKey | ATRJNSFQBYKFSM-UHFFFAOYSA-N |
| PubChem CID | 76590 |
| EC No. | 221-542-6 |
| DTXSID | DTXSID80185324 |
| Lokaler Name | 2,3-Dibromthiophen |
Chemische & physikalische Eigenschaften
| XLogP | 3,5 |
|---|---|
| Polarare Oberfläche (TPSA) | 28,2 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 1 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 7 |
| Formalladung | 0 |
| Komplexität | 66 |
| Kovats Retention Index | 1227 |
| Schmelzpunkt | -17.5°C |
| Siedepunkt | 218-219 °C (lit.) |
| Dichte | 2.137 g/mL at 25 °C (lit.) |
| Brechungsindex | n20/D 1.632(lit.) |
| Flammpunkt | 125 °F |
| Lagerbedingungen | Keep in dark place,Inert atmosphere,2-8°C |
| Aggregatzustand | liquid |
| Wichte | 2.137 |
| Farbe | White to Yellow to Green |
| BRN | 107512 |
| InChI | InChI=1S/C4H2Br2S/c5-3-1-2-7-4(3)6/h1-2H |
| InChIKey | ATRJNSFQBYKFSM-UHFFFAOYSA-N |
| SMILES | C1(Br)SC=CC=1Br |
| CAS Datenbank | 3140-93-0(CAS DataBase Reference) |
| NIST chemische Informationen | Thiophene, 2,3-dibromo-(3140-93-0) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH226 (91.7%): Flammable liquid and vapor [Warning Flammable liquids]H301 (85.4%): Toxic if swallowed [Danger Acute toxicity, oral]H315 (16.7%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (97.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]P210, P233, P240, P241, P242, P243, P264, P264+P265, P270, P280, P301+P316, P302+P352, P303+P361+P353, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.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. 3 (91.7%)Acute Tox. 3 (85.4%)Skin Irrit. 2 (16.7%)Eye Irrit. 2A (97.9%) |
| F | 8 |
| Wassergefährdungsklasse (WGK) | 3 |
| UN-Transportnummer | UN 1993 3/PG 3 |
| Zollcode | 29349990 |
| R-Sätze (R) | 10-36/37/38-20/21/22-36-25 |
| Gefahrensymbole | Xn,F,Xi,T |
| hazard_note | Flammable/Irritant |
| Sicherheitshinweise (S) | 23-24/25-36/37/39-26-16-36-45 |
| Gefahrenklasse | 3Acute Tox. 3 OralEye Irrit. 2Flam. Liq. 3 |
| Verpackungsgruppe | III |
| Lagerklasse | 3 - Flammable liquids |
Anwendungen & Verwendung
Verwenden
2,3-Dibromothiophene (cas# 3140-93-0) is a compound useful in organic synthesis.