p-Phenylendihydrazin | 7570-09-4

• 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: p-Phenylendihydrazin
• 英文别名: 1,4-Dihydrazinylbenzene；(4-hydrazinylphenyl)hydrazine
• CAS: 7570-09-4
• 化学式: C₆H₁₀N₄
• mdl: MFCD19201350
• 分子量: 138.172
• InChiKey: FQFCKIMZKWXDDE-UHFFFAOYSA-N

物化性质

• 沸点：
  362.1±25.0 °C(Predicted)
• 密度：
  1.345±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.4
• 重原子数：
  10
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  76.1
• 氢给体数：
  4
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  p-Phenylendihydrazin 在 盐酸 、 sodium nitrite 作用下， 生成 1,4-二叠氮基苯
  参考文献：
  名称：

  Schoutissen, Recueil des Travaux Chimiques des Pays-Bas, 1934, vol. 53, p. 561,565

  摘要：

  DOI：
• 作为产物：
  描述：

  1,4-benzenebisdiazonium tetrafluoroborate 在 borohydride exchange resin 作用下， 以 甲醇 为溶剂， 以72%的产率得到p-Phenylendihydrazin
  参考文献：
  名称：

  Selective Reduction of Aryl Diazonium Fluoroborates¹

  摘要：

  Substituted aryl diazonium fluoroborates have been selectively reduced to the corresponding phenylhydrazines by using borohydride exchange resin (EER).

  DOI：

  10.1080/00397919708003336

文献信息

• Nitrile imines
  申请人：Hercules Incorporated

  公开号：US04247474A1

  公开（公告）日：1981-01-27

  Disclosed are polyfunctional nitrile imines having the formula selected from R----C.tbd.N.sup..sym. --N.sup..crclbar. --R').sub.x and R----N.sup..crclbar. --N.sup..sym. .tbd.C--R").sub.x where R is an alkylene, cycloalkylene, arylene, alkyl-arylene, arylene-dialkylene, alkylene-diarylene or cycloalkylene-dialkylene radical; R' is a hydrogen, alkyl, cycloalkyl, aryl, alkaryl, or aralkyl radical; R" is an alkyl, cycloalkyl, aryl, alkaryl or aralkyl radical and x is greater than 1; and their hydrogen chloride salts having the formula selected from ##STR1## where R, R', R" and x are as defined above.

  本发明涉及一种多官能团腈亚胺，其化学式选自R----C.tbd.N.sup..sym. --N.sup..crclbar. --R').sub.x和R----N.sup..crclbar. --N.sup..sym. .tbd.C--R").sub.x，其中R是烷基，环烷基，芳基，烷基芳基，芳基二烷基，烷基二芳基或环烷基二烷基基团；R'是氢，烷基，环烷基，芳基，烷基芳基或芳基烷基基团；R"是烷基，环烷基，芳基，烷基芳基或芳基烷基基团，x大于1；以及它们的氢氯酸盐，其化学式选自##STR1##其中，R、R'、R"和x如上所定义。
• Low odor compositions and methods to attain low odor compositions
  申请人：Bohling James

  公开号：US20110166257A1

  公开（公告）日：2011-07-07

  This invention provides stable aqueous compositions including stable coating compositions, and methods of their production. The stable aqueous compositions and stable aqueous coating compositions comprise i) an aqueous dispersion of one or more emulsion-polymerized addition polymer comprising polymerized units of one or more carboxylester monomer, wherein at least one carboxylester monomer is a vinyl ester monomer; ii) one or more carboxylesterase enzyme; iii) one or more mono-alcohol with a formula molecular weight of less than 76; iv) optionally, acetaldehyde; and v) optionally, one or more organic carboxylester with a normal boiling point of less than 150° C.; and wherein the aqueous composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C., characterized by a content of less than 10 ppm of acetaldehyde, and less than 10 ppm of the one or more organic carboxylester, and more than 50 ppm of the one or more mono-alcohol. Preferably, the ester hydrolysis activity in the composition is less than 0.010 micromole/minute.

  本发明提供了稳定的水性组合物，包括稳定的涂料组合物及其生产方法。稳定的水性组合物和稳定的水性涂料组合物包括：i)一种或多种乳液聚合加成聚合物的水性分散体，其中包括一种或多种羧酸酯单体的聚合单元，其中至少一个羧酸酯单体是一种乙烯酸酯单体；ii)一种或多种羧酸酯酶；iii)一种或多种分子量小于76的单一醇；iv)可选的乙醛；v)可选的一种或多种有机羧酸酯，其正常沸点小于150°C。其中，水性组合物在33°C下通过顶空气相色谱质谱（GC-MS）测量的挥发性有机化合物（VOC）含量的特征是，乙醛含量小于10ppm，一种或多种有机羧酸酯含量小于10ppm，一种或多种单一醇含量大于50ppm。优选地，组合物中的酯水解活性小于0.010微摩尔/分钟。
• Low odor compositions and low odor coating compositions
  申请人：Bohling James

  公开号：US20110152406A1

  公开（公告）日：2011-06-23

  This invention provides stable aqueous compositions including stable coating compositions, and methods of their production. The stable aqueous compositions and stable aqueous coating compositions comprise one or more emulsion-polymerized addition polymer, one or more carboxylesterase enzyme, and one or more carboxylesterase deactivating agent, such that the ester hydrolysis activity in the composition is less than 0.010 micromole/minute, and wherein the aqueous composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C., of less than 10 ppm of organic carboxylester with a normal boiling point of less than 150° C. and more than 50 ppm of mono-alcohol with a formula molecular weight of less than 76. The carboxylesterase enzyme is employed to minimize the free carboxylester content in the composition, thereby providing a low odor composition, and the carboxylesterase is deactivated in situ in order to minimize the residual carboxylesterase enzyme activity.

  该发明提供了稳定的水性组合物，包括稳定的涂料组合物以及它们的生产方法。这些稳定的水性组合物和稳定的水性涂料组合物包括一种或多种乳液聚合加成聚合物、一种或多种羧酸酯酶以及一种或多种羧酸酯酶去活化剂，使得组合物中的酯水解活性小于0.010微摩尔/分钟，并且水性组合物具有顶空挥发性有机化合物（VOC）含量，通过在33°C下用顶空气相色谱质谱（GC-MS）测量，有机羧酸酯的正常沸点小于150°C且小于10ppm，而分子式量小于76的单醇则大于50ppm。羧酸酯酶被用来最小化组合物中的游离羧酸酯含量，从而提供低气味的组合物，并且在原位去活化羧酸酯酶，以最小化残留的羧酸酯酶活性。
• Low odor coating compositions and paints
  申请人：Bohling James

  公开号：US20120083021A1

  公开（公告）日：2012-04-05

  This invention provides low odor stable coating compositions, and methods of their production. The stable aqueous coating compositions and paints comprise one or more emulsion-polymerized addition polymer and one or more carboxylesterase enzyme having an ester hydrolysis activity in the composition of less than 0.03 micromole/minute, wherein the aqueous coating composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C., of less than 10 ppm of the one or more organic carboxylester with a normal boiling point of less than 150° C. and more than 50 ppm of the one or more mono-alcohol with a formula molecular weight of less than 76.

  该发明提供了低气味稳定的涂料组合物及其生产方法。稳定的水性涂料组合物和油漆包括一种或多种乳液聚合的加成聚合物和一种或多种羧酯酶，在组合物中的酯水解活性小于0.03微摩尔/分钟，其中水性涂料组合物在33℃下通过顶空气相色谱质谱（GC-MS）测量的挥发性有机化合物（VOC）含量小于10 ppm，其中一种或多种有机羧酯的正常沸点小于150℃，一种或多种分子式的分子量小于76的单醇的含量大于50 ppm。
• Wässrige Dispersionen von Carbonylgruppen aufweisenden Copolymerisaten, die Hydrazinderivate und Schwermetallionen enthalten
  申请人：BASF Aktiengesellschaft

  公开号：EP0003516A1

  公开（公告）日：1979-08-22

  Diese Erfindung betrifft wäßrige Dispersionen von Carbonylgruppenaufweisenden Copolymerisaten, die je Mol Carbonylgruppe 0,02 bis 1 Mol organische Hydrazinderivate mit mindestens 2 Hydrazinresten enthalten, und einen Gehalt von 0,0002 bis 0,02 Mol, bezogen auf 1 Mol der Hydrazinderivate, an Schwermetallionen aufweisen. .Die Dispersionen können vor allem als besonders leicht vernetzende Überzugs-, Imprägnier- oder Beschichtungsmittel, z. B. als Bindemittel für Faservliese sowie zum Veredeln von Leder verwendet werden.

  本发明涉及含有羰基的共聚物的水性分散体，该分散体含有 0.02 至 1 摩尔的有机肼衍生物，每摩尔羰基至少有 2 个肼残基，重金属离子含量为 0.0002 至 0.02 摩尔（以 1 摩尔肼衍生物为基准）。这些分散体首先可用作特别容易交联的涂层剂、浸渍剂或涂布剂，例如用作纤维无纺布和皮革涂饰的粘合剂。