五氟二甲基醚 | 3822-68-2

• 分子结构分类: 有机化合物 - 有机卤素化合物 - 卤代烷
• 中文名称: 五氟二甲基醚
• 英文名称: difluoromethyl trifluoromethyl ether
• 英文别名: pentafluorodimethyl ether；Pentafluordimethylaether；Methane, (difluoromethoxy)trifluoro-；difluoromethoxy(trifluoro)methane
• CAS: 3822-68-2
• 化学式: C₂HF₅O
• mdl: MFCD00042096
• 分子量: 136.021
• InChiKey: ACYQYBAHTSKBLM-UHFFFAOYSA-N

物化性质

• 熔点：
  -157.15°C
• 沸点：
  -35°C
• 密度：
  1.8506 (estimate)
• 大气OH速率常数：
  3.50e-15 cm3/molecule*sec

计算性质

• 辛醇/水分配系数(LogP)：
  2.2
• 重原子数：
  8
• 可旋转键数：
  1
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  6

安全信息

• 安全说明：
  S23
• 海关编码：
  2909199090
• 危险品运输编号：
  UN 3163

反应信息

• 作为反应物：
  描述：

  五氟二甲基醚 在 氯 作用下， 21.85 ℃ 、93.33 kPa 条件下， 反应 1.0h， 生成
  参考文献：
  名称：

  Atmospheric degradation mechanism of CF3OCF2H

  摘要：

  Smog chamber/FTIR techniques were used to study the Cl atom initiated oxidation of CF3OCF2H in 700 Torr of N-2/O-2 at 295 +/- 2 K. Atmospheric oxidation of CF3OCF2H proceeds via the formation of CF3OCF2 radicals. The atmospheric fate of CF3OCF2 radicals is addition Of O-2 to give CF3OCF2O2 radicals. In the atmosphere CF3OCF2O, radicals are converted via COF2 and CF3OH into CO2 and HF. Relative rate techniques were used to measure k(Cl + CF3OCF2H) = (2.3 +/- 0.3) x 10(-17) cm(3) molecule(-1) s(-1). The results are discussed with respect to the atmospheric degradation and environmental impact of CF3OCF2H. (C) 2001 Elsevier Science B.V. All rights reserved.

  DOI：

  10.1016/s0009-2614(01)00698-4
• 作为产物：
  描述：

  甲醚 生成 五氟二甲基醚
  参考文献：
  名称：

  Compositions of a hydrofluoroether and a hydrofluorocarbon

  摘要：

  这项发明涉及包括至少一种氟醚和至少一种氢氟烃的组合物。该发明包括具有下列式CaFbH2a+2−bOc的环状或非环状氢氟醚组合物，其中a=2或3，3≦b≦8，c=1或2，以及具有下列式CnFmH2n+2−m的氢氟烃组合物，其中1≦n≦4，1≦m≦8。这些组合物可用作制冷剂、清洁剂、聚烯烃和聚氨酯的膨胀剂、喷雾推进剂、传热介质、气体绝缘体、灭火剂、动力循环工作流体、聚合介质、颗粒去除流体、载体流体、抛光磨料剂和位移干燥剂。

  公开号：

  US06905630B2

文献信息

• Technology for the preparation of perfluoro-organic compounds
  作者：Dmitrii D Moldavskii、Tatjana A Bispen、Galina I Kaurova、Georgii G Furin

  DOI：10.1016/s0022-1139(98)00351-0

  日期：1999.4

  Fluorination by elemental fluorine of fluorine-containing alkenes, alkanes, ethers and tertiary amines was investigated, aimed at obtaining the perfluorinated analogs. The factors affecting yield of the target compounds were studied. Elements of technology were elucidated. (C) 1999 Elsevier Science S.A. All rights reserved.
• Atmospheric degradation mechanism of CF3OCF2H
  作者：Y. Inoue、M. Kawasaki、T.J. Wallington、M.D. Hurley

  DOI：10.1016/s0009-2614(01)00698-4

  日期：2001.8

  Smog chamber/FTIR techniques were used to study the Cl atom initiated oxidation of CF3OCF2H in 700 Torr of N-2/O-2 at 295 +/- 2 K. Atmospheric oxidation of CF3OCF2H proceeds via the formation of CF3OCF2 radicals. The atmospheric fate of CF3OCF2 radicals is addition Of O-2 to give CF3OCF2O2 radicals. In the atmosphere CF3OCF2O, radicals are converted via COF2 and CF3OH into CO2 and HF. Relative rate techniques were used to measure k(Cl + CF3OCF2H) = (2.3 +/- 0.3) x 10(-17) cm(3) molecule(-1) s(-1). The results are discussed with respect to the atmospheric degradation and environmental impact of CF3OCF2H. (C) 2001 Elsevier Science B.V. All rights reserved.
• Compositions of a hydrofluoroether and a hydrofluorocarbon
  申请人：Klug Diana Lynn

  公开号：US06905630B2

  公开（公告）日：2005-06-14

  This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula C a F b H 2a+2−b O c wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula C n F m H 2n+2−m wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.

  这项发明涉及包括至少一种氟醚和至少一种氢氟烃的组合物。该发明包括具有下列式CaFbH2a+2−bOc的环状或非环状氢氟醚组合物，其中a=2或3，3≦b≦8，c=1或2，以及具有下列式CnFmH2n+2−m的氢氟烃组合物，其中1≦n≦4，1≦m≦8。这些组合物可用作制冷剂、清洁剂、聚烯烃和聚氨酯的膨胀剂、喷雾推进剂、传热介质、气体绝缘体、灭火剂、动力循环工作流体、聚合介质、颗粒去除流体、载体流体、抛光磨料剂和位移干燥剂。