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氟化铜

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氟化铜
IUPAC名
Copper difluoride
别名 氟化铜(II)
识别
CAS号 13454-88-1((dihydrate))  ☒N
7789-19-7  ✓
PubChem 82236
ChemSpider 74214
SMILES
InChI
InChIKey GWFAVIIMQDUCRA-NUQVWONBAF
性质
化学式 CuF2
摩尔质量 101.543 g·mol⁻¹
外观 白色晶体粉末
水合物为蓝色单斜结晶
密度 4.2 g/cm³ (固)
熔点 836 °C (1109 ± 5 K)
沸点 1676 °C
溶解性(其他溶剂) 能溶于类,微溶于,溶于丙酮氨水[1]
相关物质
其他阴离子 溴化铜
氯化铜
其他阳离子 二氟化银
氟化钴
氟化亚铜
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

氟化铜氟化铜(II),是化学式为CuF2无机化合物。它是白色潮解晶体,为金红石结构,与其他通式为MF2氟化物类似。

用途

氟苯的合成

氧气存在下,芳香烃与氟化铜在450 °C以上反应可用于制取氟代芳烃,比桑德迈尔反应简单的多,但只适用于对热稳定的化合物。[2]

化学性质

氟化铜可由氟气在400 °C反应制得:

Cu + F2 → CuF2

950 °C以上熔融态失氟:

2CuF2 → 2CuF + F2
2CuF → CuF2 + Cu

氟化铜可与氟离子(F)配合生成CuF3、CuF42−和CuF64−

参考资料

  1. ^ 《元素单质化学反应手册》P768
  2. ^ M. A. Subramanian, L. E. Manzer. A "Greener" Synthetic Route for Fluoroaromatics via Copper (II) Fluoride. Science. 2002, 297: 1665. doi:10.1126/science.1076397. 

外部链接

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氟化铜
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