247154

3,4-Dibromthiophen

99%

• Synonym(e): 3,4-Dibromothiophene
• Empirische Formel (Hill-System): C₄H₂Br₂S
• CAS-Nummer: 3141-26-2
• Molekulargewicht: 241.93
• Beilstein: 107642
• EG-Nummer: 221-546-8
• MDL-Nummer: MFCD00005465
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24854854
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: 99%
• Form: liquid
• Brechungsindex: n20/D 1.640 (lit.)
• bp: 221-222 °C (lit.)
• mp (Schmelzpunkt): 4-5 °C (lit.)
• Dichte: 2.188 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: bromo
• SMILES String: Brc1cscc1Br
• InChI: 1S/C4H2Br2S/c5-3-1-7-2-4(3)6/h1-2H
• InChIKey: VGKLVWTVCUDISO-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Double photoionization spectra of 3,4-dibromothiophene has been investigated by coincidence spectroscopy technique based on electron time-of-flight measurement.

Anwendung

3,4-Dibromothiophene was used in the preparation of thieno[3,4-b]thiophene. It was aslo used as starting material in the synthesis of alkyl substituted, fused thiophenes.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 10 - Combustible liquids
• WGK: WGK 3
• Flammpunkt (°F): 230.0 °F - closed cup
• Flammpunkt (°C): 110 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter