(+/-)-4-ethyl-5-methyl-hexanoic acid | 60308-74-9

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: (+/-)-4-ethyl-5-methyl-hexanoic acid
• 英文别名: (+/-)-4-Aethyl-5-methyl-hexansaeure；4-Aethyl-5-methyl-hexansaeure；4-Aethyl-5-methylhexansaeure；4-Ethyl-5-methylhexansaeure；4-Ethyl-5-methylhexanoic acid
• CAS: 60308-74-9
• 化学式: C₉H₁₈O₂
• 分子量: 158.241
• InChiKey: ZAHVNAWPDWVHOM-UHFFFAOYSA-N

物化性质

• 沸点：
  129 °C(Press: 10 Torr)
• 密度：
  0.9261 g/cm3(Temp: 25 °C)

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  11
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.89
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  (+/-)-4-ethyl-5-methyl-hexanoic acid 在 氯化亚砜 作用下， 生成 4-ethyl-5-methyl-hexanoyl chloride
  参考文献：
  名称：

  DE847891

  摘要：

  公开号：
• 作为产物：
  描述：

  2-乙基-3-甲基-1-丁醇 在 三溴化磷 作用下， 生成 (+/-)-4-ethyl-5-methyl-hexanoic acid
  参考文献：
  名称：

  Synthesis of .beta.-sitosteryl acetate [(24 R)-24-ethyl-3.beta.-acetoxycholest-5-ene] and its 24 S epimer

  摘要：

  DOI：

  10.1021/jo00824a021

文献信息

• COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM
  申请人：Asahi Glass Company, Limited

  公开号：EP3109302A1

  公开（公告）日：2016-12-28

  To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing an unsaturated fluorinated hydrocarbon compound having a specific structure, and a refrigerant oil having a breakdown voltage of at least 25 kV, a hydroxy value of at most 0.1 mgKOH/g, and an aniline point of at least -100°C and at most 0°C, and a heat cycle system employing the composition for a heat cycle system.

  提供一种用于热力循环系统的组合物，该组合物具有良好的润滑性能，包含一种热力循环用工作流体，该工作流体具有较低的全球升温潜能值，可替代 R410A，并提供一种采用该组合物的热力循环系统。 一种用于热力循环系统的组合物，它包括一种热力循环用工作流体，其中含有一种具有特定结构的不饱和含氟碳氢化合物，以及一种冷冻油，其击穿电压至少为 25 kV，羟值至多为 0.1 mgKOH/g，苯胺点至少为 -100°C 且至多为 0°C。
• COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM
  申请人：Asahi Glass Company, Limited

  公开号：EP3153561A1

  公开（公告）日：2017-04-12

  To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing 1,2-difluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system.

  提供一种用于热力循环系统的组合物，该组合物包含一种全球升温潜能值低、稳定性高、可替代 R410A 的热力循环用工作流体，以及一种采用该组合物的热力循环系统。 一种用于热力循环系统的组合物，它包括含有 1,2-二氟乙烯的热力循环用工作流体和用于防止热力循环用工作流体变质的稳定剂（如抗氧化性改进剂、抗热性改进剂或金属失活剂），以及一种采用该组合物的热力循环系统。
• COMPOSITION FOR USE IN HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM
  申请人：Asahi Glass Company, Limited

  公开号：EP3287503A1

  公开（公告）日：2018-02-28

  A composition for a heat cycle system contains a working medium for heat cycle containing 1-chloro-2,3,3,3-tetrafluoropropene and a refrigerant oil.

  一种用于热力循环系统的组合物包含一种热力循环工作介质，其中含有 1-氯-2,3,3,3-四氟丙烯和一种冷冻机油。
• REFRIGERATION CYCLE DEVICE
  申请人：DAIKIN INDUSTRIES, LTD.

  公开号：EP3730569A1

  公开（公告）日：2020-10-28

  There is provided a refrigeration cycle apparatus in which good lubricity can be achieved when a refrigeration cycle is performed using a refrigerant having a sufficiently low GWP. The refrigeration cycle apparatus contains a refrigerating oil and a refrigerant composition containing a refrigerant containing trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).

  本发明提供了一种制冷循环装置，当使用具有足够低全球升温潜能值的制冷剂进行制冷循环时，该装置可实现良好的润滑性。该制冷循环装置包含制冷油和制冷剂组合物，其中制冷剂组合物包含反式-1,2-二氟乙烯（HFO-1132(E)）、三氟乙烯（HFO-1123）和 2,3,3,3-四氟-1-丙烯（R1234yf）。
• REFRIGERATION MACHINE OIL FOR REFRIGERANT OR REFRIGERANT COMPOSITION, METHOD FOR USING REFRIGERATION MACHINE OIL, AND USE OF REFRIGERATION MACHINE OIL
  申请人：DAIKIN INDUSTRIES, LTD.

  公开号：EP3730593A1

  公开（公告）日：2020-10-28

  There are provided a refrigerating oil for refrigerant compositions in which good lubricity can be achieved when a refrigeration cycle is performed using a refrigerant having a sufficiently low GWP, a method for using the refrigerating oil, and use of the refrigerating oil. The refrigerating oil for a refrigerant composition contains a refrigerant containing trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).

  本发明提供了一种用于制冷剂组合物的冷冻机油，当使用具有足够低全球升温潜能值的制冷剂进行制冷循环时，该冷冻机油可以实现良好的润滑性；还提供了一种使用该冷冻机油的方法以及该冷冻机油的用途。用于制冷剂组合物的冷冻机油含有反式-1,2-二氟乙烯（HFO-1132(E)）、三氟乙烯（HFO-1123）和 2,3,3,3-四氟-1-丙烯（R1234yf）。