(+/-)-3-isopentyl-butyric acid | 44980-98-5

• 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: (+/-)-3-isopentyl-butyric acid
• 英文别名: (+/-)-3-Isopentyl-buttersaeure；3,6-Dimethylheptanoic acid
• CAS: 44980-98-5
• 化学式: C₉H₁₈O₂
• 分子量: 158.241
• InChiKey: UHSZNOKDZZSFTQ-UHFFFAOYSA-N

物化性质

• 沸点：
  249.6±8.0 °C(Predicted)
• 密度：
  0.917±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 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：

  (+/-)-3-isopentyl-butyric acid 在 硫酸 、 水 、 丙酮 、 奎宁 作用下， 生成 (+)(R)-3-isopentyl-butyric acid ethyl ester
  参考文献：
  名称：

  Levene; Marker, Journal of Biological Chemistry, 1932, vol. 95, p. 15

  摘要：

  DOI：
• 作为产物：
  描述：

  2-溴-5-甲基己烷 、 丙二酸二乙酯 生成 (+/-)-3-isopentyl-butyric acid
  参考文献：
  名称：

  Levene; Marker, Journal of Biological Chemistry, 1932, vol. 95, p. 15

  摘要：

  DOI：

文献信息

• REFRIGERATING MACHINE OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATING MACHINES
  申请人：JX Nippon Oil & Energy Corporation

  公开号：EP2610329A1

  公开（公告）日：2013-07-03

  The refrigerating machine oil of the invention includes an ester of a polyhydric alcohol and a fatty acid, wherein the molar ratio of C4-C6 fatty acid and C7-C9 branched fatty acid in the fatty acid is between 15:85 and 90:10, the C4-C6 fatty acid includes 2-methylpropanoic acid, and the ratio of the total C4-C6 fatty acid and C7-C9 branched fatty acid in the total fatty acids composing the ester is at least 20 mol%. The working fluid composition for a refrigerating machine according to the invention comprises the refrigerating machine oil, a difluoromethane refrigerant and/or an unsaturated fluorinated hydrocarbon refrigerant.

  本发明的冷冻机油包括多元醇和脂肪酸的酯，其中脂肪酸中C4-C6脂肪酸和C7-C9支链脂肪酸的摩尔比在15:85和90:10之间，C4-C6脂肪酸包括2-甲基丙酸，组成酯的总脂肪酸中C4-C6脂肪酸和C7-C9支链脂肪酸的比例至少为20 mol%。根据本发明，用于制冷机的工作液组合物包括制冷机油、二氟甲烷制冷剂和/或不饱和氟化碳氢化合物制冷剂。
• REFRIGERATOR OIL COMPOSITION, METHOD FOR PRODUCING SAME, AND WORKING FLUID COMPOSITION FOR REFRIGERATORS
  申请人：JX Nippon Oil & Energy Corporation

  公开号：EP2818537A1

  公开（公告）日：2014-12-31

  A refrigerating machine oil composition comprising at least one ester additive selected from tetraesters of pentaerythritol and one selected from fatty acids having 5 to 18 carbon atoms and hexaesters of dipentaerythritol and one selected from fatty acids having 5 to 18 carbon atoms, and a base oil that is an ester other than the ester additive, in which the content of the ester additive is 2 to 20 mass% based on the total amount of the refrigerating machine oil composition, and the kinematic viscosity of the refrigerating machine oil composition at 40°C is 3 to 500 mm2/s.

  一种冷冻机油组合物，包含至少一种酯类添加剂，选自季戊四醇四酯和一种选自具有 5 至 18 个碳原子的脂肪酸，以及季戊四醇六酯和一种选自具有 5 至 18 个碳原子的脂肪酸、以及除酯类添加剂之外的酯类基础油，其中酯类添加剂的含量为冷冻机油组合物总量的 2 至 20%，且冷冻机油组合物在 40°C 时的运动粘度为 3 至 500 mm2/s。
• 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。