247952

2-溴-1,4-二氟苯

98%

• 線性公式: BrC₆H₃F₂
• CAS號碼: 399-94-0
• 分子量：: 192.99
• EC號碼: 206-920-0
• MDL號碼: MFCD00000345
• 分類程式碼代碼: 12352100
• PubChem物質ID: 24854903
• NACRES: NA.22

屬性

• 化驗: 98%
• 形狀: liquid
• 折射率: n20/D 1.508 (lit.)
• bp: 58-59 °C/20 mmHg (lit.)
• mp: −31 °C (lit.)
• 密度: 1.708 g/mL at 25 °C (lit.)
• 官能基: bromo; fluoro
• SMILES 字串: Fc1ccc(F)c(Br)c1
• InChI: 1S/C6H3BrF2/c7-5-3-4(8)1-2-6(5)9/h1-3H
• InChI 密鑰: XCRCSPKQEDMVBO-UHFFFAOYSA-N

描述

一般說明

Lithiation of 2-bromo-1,4-difluorobenzene in the presence of lithium diisopropylamide (LDA) in THF-hexane, butyllithium in diethyl ether-hexane and butyllithium in THF-hexane has been reported.

應用

2-Bromo-1,4-difluorobenzene has been used in the preparation of 1,4-difluoroanthraquinone, a precursor to ametantrone.

安全資訊

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H315,H319,H335
• 防範說明: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• 危險分類: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 10 - Combustible liquids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: 149.0 °F - closed cup
• 閃點（°C）: 65 °C - closed cup
• 個人防護裝備: Eyeshields, Gloves, type ABEK (EN14387) respirator filter