四羟基-1,4-苯醌 | 123334-16-7

• 物质功能分类: 化学试剂 - 有机试剂 - 芳香酮
• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 四羟基-1,4-苯醌
• 中文别名: 四羟基-1,4-喹酮水合物；水合四羟基对苯醌
• 英文名称: 2,3,5,6-Tetrahydroxycyclohexa-2,5-diene-1,4-dione hydrate
• 英文别名: 2,3,5,6-tetrahydroxycyclohexa-2,5-diene-1,4-dione;hydrate
• CAS: 123334-16-7
• 化学式: C6H6O7
• 分子量: 190.11
• InChiKey: CJFTUKFVMMYYHH-UHFFFAOYSA-N

物化性质

• 熔点：
  >300 °C(lit.)
• 稳定性/保质期：

  避免强氧化剂和强碱。

计算性质

• 辛醇/水分配系数(LogP)：
  -1.03
• 重原子数：
  13
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  116
• 氢给体数：
  5
• 氢受体数：
  7

安全信息

• 危险品标志：
  Xi
• 安全说明：
  S26
• 危险类别码：
  R36/37/38
• WGK Germany：
  3
• 危险性防范说明：
  P264,P280,P337+P313,P305+P351+P338,P302+P352,P332+P313,P362
• 危险性描述：
  H315,H319

制备方法与用途

四羟基-1,4-苯醌是一种醌类有机化合物，可用于制备金属铸件发黑液及生成碱性试剂。

文献信息

• Process for improving color of polycondensates
  申请人：Simon Dirk

  公开号：US20070027252A1

  公开（公告）日：2007-02-01

  The present invention relates to a process of preparing a polycondensate in the presence of a fluorescent whitening agent and at least one phosphonate, and/or phosphinate. Further aspects of the invention are a polyester prepared according to this process and composition comprising a polycondensate, a fluorescent whitening agent and at least one phosphonate and/or phosphinate. Yet another aspect is the use of a fluorescent whitening agent and at least one phosphonate and/or phosphinate for improving the color of a polycondensate.

  本发明涉及在荧光增白剂和至少一种膦酸盐和/或膦酸酯的存在下制备聚合物缩合物的过程。本发明的另一方面是根据该过程制备的聚酯以及包括聚合物缩合物、荧光增白剂和至少一种膦酸盐和/或膦酸酯的组合物。另一个方面是使用荧光增白剂和至少一种膦酸盐和/或膦酸酯来改善聚合物缩合物的颜色。
• Consumer Product Compositions
  申请人：The Procter & Gamble Company

  公开号：US20150210964A1

  公开（公告）日：2015-07-30

  Consumer product compositions comprise a water soluble organic photoactivator, an electron acceptor which accepts an electron from the photoactivator when the photoactivator is in a photo-excited state and/or reduced state, and a benefit active precursor which converts into a benefit active agent via electron transfer. The electron acceptor is preferably not covalently linked to the photoactivator. Also disclosed are methods of making a benefit active, comprising exposing the consumer product compositions to light, preferably having a wavelength greater than about 350 nm.

  消费品组成物包括水溶性有机光活化剂、电子受体和受体从光活化剂中接受电子时处于光致激发状态和/或还原状态的活性前体，通过电子转移转化为受益活性剂。电子受体最好不与光活化剂共价连接。还公开了一种制造受益活性剂的方法，包括将消费品组成物暴露于光线下，最好的波长大于约350nm。
• Photoactivators
  申请人：The Procter & Gamble Company

  公开号：US20150210960A1

  公开（公告）日：2015-07-30

  Photoactivators comprise a photoactive moiety and a hydrophilic moiety. The photoactivators preferably comprise less than about 35%, by weight of the photoactivator, of the photoactive moiety. The photoactivators can be activated to a photo-excited state by excitation with incident radiation of a wavelength between about 350 nm and 750 nm, preferably between about 350 nm and about 420 nm. The photoactivators further encompass those having certain chemical formulations.

  光活化剂包括光活性基团和亲水基团。光活化剂最好包含少于其重量的约35％的光活性基团。光活化剂可以通过激发波长在大约350nm和750nm之间（最好在大约350nm和大约420nm之间）的入射辐射而激活为光激发态。光活化剂还包括具有特定化学配方的化合物。
• Method, system and devices for the assay and detection of biochemical molecules
  申请人：SOLARCARE TECHNOLOGIES CORPORATION

  公开号：EP0330517A2

  公开（公告）日：1989-08-30

  Oxygen-independent methods, systems and devices for the enzymatic colorimetric assay and detection of biochemical analytes. Two systems are described, both of which produce less than one equivalent of dye per equivalent of substrate, maintaining dye concentrations in the range where Beer's law predicts a linear color-concentration relationship. One system produces an analog color signal from an analog analyte input, the other system produces a digital color signal from an analog analyte input.

  用于酶比色测定和检测生化分析物的不依赖氧气的方法、系统和装置。本文介绍了两种系统，这两种系统每产生一个当量的底物所产生的染料都少于一个当量，从而将染料浓度保持在比尔定律所预测的颜色-浓度线性关系的范围内。一个系统通过模拟分析物输入产生模拟颜色信号，另一个系统通过模拟分析物输入产生数字颜色信号。
• Branched polycarbonates and method of preparation
  申请人：GENERAL ELECTRIC COMPANY

  公开号：EP0400478A2

  公开（公告）日：1990-12-05

  Branched polycarbonates are prepared by melt equilibration of aromatic cyclic polycarbonate oligomers with a polyhydric phenol having more than two hydroxy groups per molecule, preferably 1,1,1-tris-(4-hydroxyphenyl)ethane, in the presence of a carbonate equilibration catalyst, preferably tetrabutylammonium tetraphenylborate. In an additional embodiment of the invention, a linear aromatic polycarbonate is added to the reaction mixture. Branched polycarbonates prepared according to this invention have high melt strength and high shear sensitivity characteristics and are useful in extrusion and injection molding processing applications and particularly useful in blow molding applications for preparing relatively large articles and panels.

  支链聚碳酸酯的制备方法是，在碳酸盐平衡催化剂（最好是四苯基硼酸四丁基铵）存在下，芳香族环状聚碳酸酯低聚物与每分子具有两个以上羟基的多水酚（最好是 1,1,1-三（4-羟基苯基）乙烷）进行熔融平衡。在本发明的另一个实施方案中，向反应混合物中加入线性芳香族聚碳酸酯。根据本发明制备的支链聚碳酸酯具有高熔体强度和高剪切敏感性的特点，可用于挤出和注塑成型加工应用，尤其适用于吹塑成型应用，以制备相对较大的制品和面板。