108472

2,5-Dibromothiophene

95%

• 동의어(들): 2,5-dibromo-thiophene
• 실험식(Hill 표기법): C₄H₂Br₂S
• CAS Number: 3141-27-3
• Molecular Weight: 241.93
• EC Number: 221-547-3
• MDL number: MFCD00005420
• UNSPSC 코드: 12352100
• PubChem Substance ID: 24846807
• NACRES: NA.22

속성

• 분석: 95%
• refractive index: n20/D 1.629 (lit.)
• bp: 211 °C (lit.)
• mp: −6 °C (lit.)
• density: 2.147 g/mL at 25 °C (lit.)
• 작용기: bromo
• SMILES string: Brc1ccc(Br)s1
• InChI: 1S/C4H2Br2S/c5-3-1-2-4(6)7-3/h1-2H
• InChI key: KBVDUUXRXJTAJC-UHFFFAOYSA-N

설명

일반 설명

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

애플리케이션

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.

안전성 정보

• 픽토그램: GHS07
• 신호어: Warning
• 유해 및 위험 성명서: H315,H319,H335
• 예방조치 성명서: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• 표적 기관: Respiratory system
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point (°F): 210.2 °F - closed cup
• Flash Point (°C): 99 °C - closed cup
• 개인 보호 장비: Eyeshields, Gloves, type ABEK (EN14387) respirator filter