1-Methyl-1'-tetradecyl-4,4'-bipyridin-1-ium dibromide | 79957-88-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 英文名称: 1-Methyl-1'-tetradecyl-4,4'-bipyridin-1-ium dibromide
• 英文别名: 1-methyl-4-(1-tetradecylpyridin-1-ium-4-yl)pyridin-1-ium;dibromide
• CAS: 79957-88-3
• 化学式: C25H40Br2N2
• 分子量: 528.4
• InChiKey: XQIHTJQRSIYLSU-UHFFFAOYSA-L

计算性质

• 辛醇/水分配系数(LogP)：
  0.17
• 重原子数：
  29
• 可旋转键数：
  14
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.6
• 拓扑面积：
  7.8
• 氢给体数：
  0
• 氢受体数：
  2

文献信息

• LIQUID COMPOSITION FOR REMOVING TITANIUM NITRIDE, SEMICONDUCTOR-ELEMENT CLEANING METHOD USING SAME, AND SEMICONDUCTOR-ELEMENT MANUFACTURING METHOD
  申请人：MITSUBISHI GAS CHEMICAL COMPANY, INC.

  公开号：US20160281038A1

  公开（公告）日：2016-09-29

  This invention provides a liquid composition that removes titanium nitride from a substrate without corroding tungsten or a low-k interlayer dielectric also present on said substrate. Said liquid composition has a pH between 0 and 4, inclusive, and contains the following: at least one oxidizing agent (A) selected from the group consisting of potassium permanganate, ammonium peroxodisulfate, potassium peroxodisulfate, and sodium peroxodisulfate; a fluorine compound (B); and a tungsten-corrosion preventer (C). The tungsten-corrosion preventer (C) either contains at least two different compounds selected from a group of compounds (C1) consisting of alkylamines, salts thereof, fluoroalkylamines, salts thereof, and the like or contains at least one compound selected from said group of compounds (C1) and at least one compound selected from a group of compounds (C2) consisting of polyoxyalkylene alkylamines, polyoxyalkylene fluoroalkylamines, and the like. The mass concentration of potassium permanganate in the abovementioned oxidizing agent (A) is between 0.001% and 0.1%, inclusive, and the mass concentration of the abovementioned fluorine compound (B) is between 0.01% and 1%, inclusive.
• US9777251B2
  申请人：——

  公开号：US9777251B2

  公开（公告）日：2017-10-03