108472

2,5-Dibromthiophen

95%

• Synonym(e): 2,5-dibromo-thiophene
• Empirische Formel (Hill-System): C₄H₂Br₂S
• CAS-Nummer: 3141-27-3
• Molekulargewicht: 241.93
• EG-Nummer: 221-547-3
• MDL-Nummer: MFCD00005420
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24846807
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: 95%
• Brechungsindex: n20/D 1.629 (lit.)
• bp: 211 °C (lit.)
• mp (Schmelzpunkt): −6 °C (lit.)
• Dichte: 2.147 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: bromo
• SMILES String: Brc1ccc(Br)s1
• InChI: 1S/C4H2Br2S/c5-3-1-2-4(6)7-3/h1-2H
• InChIKey: KBVDUUXRXJTAJC-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

2,5-Dibromothiophene polymerizes by debromination with magnesium catalyzed by nickel compounds to form poly(2,5- thienylene) .

Anwendung

2,5-Dibromothiophene was used as starting reagent for the synthesis of α,α′-didecylquater-, -quinque- and -sexi-thiophenes. It was used in the preparation of soluble α,ω-diformyl-a-oligothiophenes.

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): 210.2 °F - closed cup
• Flammpunkt (°C): 99 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter