Acetic acid, (2,4-dinitrophenyl)- | 643-43-6

• 物质功能分类: 有机原料 - 羧酸类化合物及衍生物
• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: Acetic acid, (2,4-dinitrophenyl)-
• 英文别名: dinitromethyl benzoate
• CAS: 643-43-6
• 化学式: C8H6N2O6
• 分子量: 226.14
• InChiKey: GZSYUSWRSRHPNY-UHFFFAOYSA-N

物化性质

• 熔点：
  169-175 °C (lit.)
• 沸点：
  367.74°C (rough estimate)
• 密度：
  1.6136 (rough estimate)

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  16
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  118
• 氢给体数：
  0
• 氢受体数：
  6

安全信息

• TSCA：
  Yes
• 危险等级：
  5.1
• 危险品标志：
  O
• 危险类别码：
  R8
• 危险品运输编号：
  1479
• WGK Germany：
  3
• RTECS号：
  AH2230000
• 海关编码：
  2916399090
• 包装等级：
  III
• 危险类别：
  5.1
• 安全说明：
  S26,S36

制备方法与用途

化学性质：针状结晶。熔点为179℃（分解）。

用途：作为有机合成中间体。

生产方法：将苯乙酸加入混酸中搅拌反应4小时，然后冰水浴析出黄色晶体2,4-二硝基苯乙酸，过滤、用水洗涤后干燥，最终得到成品，收率为95%。

文献信息

• POLYMER FOR ALIGNMENT FILMS, AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：Sharp Kabushiki Kaisha

  公开号：US20150234236A1

  公开（公告）日：2015-08-20

  Provided are: a polymer for alignment films, which enables the production of a liquid crystal display device that is suppressed in image burn-in even if the light irradiation time is reduced; and a liquid crystal display device which is suppressed in image burn-in even if the light irradiation time is reduced. A polymer for alignment films, which has a main chain and a side chain that contains a structure represented by chemical formula —O—C(C 6 H 5 )(CO—C 6 H 5 )—O—; and a liquid crystal display device which comprises a pair of substrates and a liquid crystal layer that is held between the pair of substrates, and wherein at least one of the substrates has an alignment film, on which a polymer layer for controlling the alignment of liquid crystal molecules is formed, and the alignment film is formed using a polymer for alignment films, which has a main chain and a side chain that contains a structure represented by chemical formula —O—C(C 6 H 5 )(CO—C 6 H 5 )—O—.

  提供的是：一种用于定向膜的聚合物，能够制造出抑制图像烧入的液晶显示器设备，即使减少光照时间；以及一种液晶显示器设备，即使减少光照时间也能抑制图像烧入。该聚合物具有主链和侧链，其中侧链含有化学式表示的结构——O—C(C6H5)(CO— )—O—；该液晶显示器设备包括一对基板和夹在两个基板之间的液晶层，其中至少一个基板具有定向膜，该定向膜上形成了用于控制液晶分子定向的聚合物层，该定向膜使用一种用于定向膜的聚合物形成，该聚合物具有主链和侧链，其中侧链含有化学式表示的结构——O—C( )(CO— )—O—。
• Alignment film and liquid crystal display device
  申请人：SHARP KABUSHIKI KAISHA

  公开号：US10901267B2

  公开（公告）日：2021-01-26

  The present invention aims to provide an alignment film capable of sufficiently reducing image sticking and stain in a liquid crystal display device, and a liquid crystal display device including a photo-alignment film and sufficiently reducing image sticking and stain. The alignment film of the present invention contains a polymer containing a nitrogen radical-containing group, and a photo-functional group. The nitrogen radical-containing group is preferably a hydrazyl radical-containing group represented by the following formula (I) or (II): wherein R1 is a direct bond or a divalent organic group; Me is a methyl group; and Bu is a butyl group.

  本发明旨在提供一种能够充分减少液晶显示装置中图像粘连和污点的对准膜，以及一种包括光对准膜并能充分减少图像粘连和污点的液晶显示装置。本发明的对准膜含有含氮基团和光官能团的聚合物。含氮基团最好是由下式（I）或（II）表示的含肼基团： 其中 R1 是直接键或二价有机基团；Me 是甲基；Bu 是丁基。
• Liquid crystal display device and method for producing liquid crystal display device
  申请人：SHARP KABUSHIKI KAISHA

  公开号：US11009750B2

  公开（公告）日：2021-05-18

  The present invention provides a liquid crystal display device that includes: a pair of substrates; a liquid crystal layer held between the substrates; an alignment film disposed on a liquid crystal layer side surface of at least one of the substrates; and a polymer layer disposed between the liquid crystal layer and the alignment film, the liquid crystal layer containing liquid crystal compounds aligned in a predetermined direction with no voltage applied, the alignment film containing a first polymer containing in its main chain at least one selected from a polyamic acid structure and a polyimide structure, the first polymer containing a functional group that functions as a polymerization initiator, the polymer layer containing a second polymer obtained by polymerizing at least one monomer containing a chalcone group.

  本发明提供了一种液晶显示装置，它包括一对基板； 固定在基板之间的液晶层； 设置在至少一个基板的液晶层侧表面上的对准膜；液晶层含有在不施加电压的情况下按预定方向排列的液晶化合物，排列膜含有在其主链中含有至少一种从聚酰胺酸结构和聚酰亚胺结构中选择的第一种聚合物，第一种聚合物含有作为聚合引发剂的官能团，聚合物层含有通过聚合至少一种含有查尔酮基团的单体而获得的第二种聚合物。
• Liquid crystal display device
  申请人：SHARP KABUSHIKI KAISHA

  公开号：US11053354B2

  公开（公告）日：2021-07-06

  The present invention provides a liquid crystal display device with a high degree of freedom in molecular structure design of an alignment film and with reduced image sticking. The liquid crystal display device includes a pair of substrates; a liquid crystal layer held between the substrates; an alignment film disposed on a liquid crystal layer side surface of at least one of the substrates; and a polymer layer disposed between the liquid crystal layer and the alignment film, the alignment film containing a first polymer containing at least one structure represented by the following formula (1) in a side chain, wherein R1 represents a C3-C6 branched or cyclic alkylene group, and a hydrogen atom at a para position to a carbonyl group in the phenyl group is optionally replaced.

  本发明提供了一种液晶显示装置，其对准膜的分子结构设计自由度很高，并能减少图像粘连。该液晶显示装置包括一对基板；夹持在基板之间的液晶层；设置在至少其中一个基板的液晶层侧表面上的对准膜；以及设置在液晶层和对准膜之间的聚合物层，对准膜含有第一种聚合物，其侧链中至少含有一种由下式(1)表示的结构、 其中 R1 代表 C3-C6 支链或环状亚烷基，苯基中对位至羰基的氢原子可选择被取代。
• ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：SHARP KABUSHIKI KAISHA

  公开号：US20180373098A1

  公开（公告）日：2018-12-27

  The present invention aims to provide an alignment film capable of sufficiently reducing image sticking and stain in a liquid crystal display device, and a liquid crystal display device including a photo-alignment film and sufficiently reducing image sticking and stain. The alignment film of the present invention contains a polymer containing a nitrogen radical-containing group, and a photo-functional group. The nitrogen radical-containing group is preferably a hydrazyl radical-containing group represented by the following formula (I) or (II): wherein R 1 is a direct bond or a divalent organic group; Me is a methyl group; and Bu is a butyl group.