(2,4-二甲基苯基)-磷酸 | 111192-85-9

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: (2,4-二甲基苯基)-磷酸
• 英文名称: 2,4-dimethylphenylphosphonic acid
• 英文别名: (2,4-dimethyl-phenyl)-phosphonic acid；1.3-Dimethyl-benzol-phosphinsaeure-(4)；(2,4-Dimethyl-phenyl)-phosphonsaeure；2.4-Dimethyl-phenylphosphinsaeure；m-Xylol-phosphinsaeure-(4)；(2,4-dimethylphenyl)phosphonic Acid
• CAS: 111192-85-9
• 化学式: C₈H₁₁O₃P
• mdl: MFCD00159445
• 分子量: 186.147
• InChiKey: DLXVLBCCGRQAAA-UHFFFAOYSA-N

物化性质

• 沸点：
  367.5±52.0 °C(Predicted)
• 密度：
  1.29±0.1 g/cm3(Predicted)
• 溶解度：
  0.08 M

计算性质

• 辛醇/水分配系数(LogP)：
  0.7
• 重原子数：
  12
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  57.5
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  (2,4-二甲基苯基)-磷酸 在 potassium permanganate 、 五氯化磷 作用下， 生成 4-dichlorophosphoryl-3-methyl-benzoyl chloride
  参考文献：
  名称：

  Weller, Chemische Berichte, 1887, vol. 20, p. 1720,1721

  摘要：

  DOI：
• 作为产物：
  描述：

  2,4-二甲基溴苯 在 sodium amalgam 、 氯 、 三氯化磷 作用下， 生成 (2,4-二甲基苯基)-磷酸
  参考文献：
  名称：

  Weller, Chemische Berichte, 1887, vol. 20, p. 1720,1721

  摘要：

  DOI：

文献信息

• CARBONIC ACID ESTER AND MAGNETIC RECORDING MEDIUM
  申请人：IMAKUNI Akira

  公开号：US20080241599A1

  公开（公告）日：2008-10-02

  A carbonic acid ester is provided that is represented by the formula below and has a melting point of no greater than 0° C. (In the formula, R 1 and R 2 independently denote a saturated hydrocarbon group, R 1 is a branched chain, and R 2 is a straight or branched chain). There is also provided a magnetic recording medium that includes a non-magnetic support and, above the support, at least one magnetic layer including a ferromagnetic powder dispersed in a binder, the magnetic layer including the carbonic acid ester. Furthermore, there is provided a magnetic recording medium including a support and, above the support, a non-magnetic layer including a non-magnetic powder dispersed in a binder, and above the non-magnetic layer, at least one magnetic layer including a ferromagnetic powder dispersed in a binder, the non-magnetic layer and/or the magnetic layer including the carbonic acid ester.

  提供一种碳酸酯，其化学式如下，并且其熔点不大于0°C。（在化学式中，R1和R2分别表示饱和碳氢基团，R1是支链，R2是直链或支链）。还提供了一种磁记录介质，包括非磁性支撑物，在支撑物上方至少有一层包括铁磁粉末分散在粘合剂中的磁性层，该磁性层包括碳酸酯。此外，还提供了一种磁记录介质，包括支撑物，在支撑物上方有一层包括非磁性粉末分散在粘合剂中的非磁性层，以及在非磁性层上方，至少有一层包括铁磁粉末分散在粘合剂中的磁性层，其中非磁性层和/或磁性层包括碳酸酯。
• Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product
  申请人：——

  公开号：US20040254331A1

  公开（公告）日：2004-12-16

  A poly(ethylene aromatic dicarboxylate ester) resin usable for the production of fibers, films and bottle-formed articles, is produced by polycondensing a diester of an aromatic dicarboxylic acid with ethylene glycol by using a catalyst including a non-reacted mixture or reaction product of a titanium compound component including at least one member selected from titanium alkoxides and reaction products of the titanium alkoxides with aromatic polyvalent carboxylic acids or anhydrides thereof, with a specific phosphorus compound, in which catalyst the contents of titanium and phosphorus elements are controlled.

  一种聚乙烯芳香族二羧酸酯树脂，可用于生产纤维、薄膜和瓶形制品，通过使用包括钛化合物组分的催化剂，其中该组分包括至少选择自钛烷氧化物和钛烷氧化物与芳香族多价羧酸或其酐的反应产物的未反应混合物或反应产物，以及一种特定的磷化合物，通过控制钛和磷元素的含量，聚缩芳香族二羧酸的二酯和乙二醇。
• Polyester production method, polyester composition, and polyester fiber
  申请人：——

  公开号：US20040266978A1

  公开（公告）日：2004-12-30

  In a polyester production method, a titanium compound having a radical selected from a carbonyl group, a carboxyl group, or an ester group, and a phosphorous compound having a structure illustrated in Formula (I), are added. 1 This yields a polyester composition which does not exhibit increased filter pressure when forming, which has excellent filament and film forming properties, and which has a polymer color tone superb to that of conventional products.

  在一种聚酯生产方法中，添加一种具有来自羰基团、羧基团或酯基团的基团的钛化合物和一种具有如公式（I）所示结构的磷化合物。这产生了一种聚酯组合物，其在成型时不会表现出增加的过滤器压力，具有优异的纤维和薄膜成型性能，并且具有比传统产品更好的聚合物颜色色调。
• CARBONIC ACID ESTER, PRODUCTION PROCESS THEREFOR, AND MAGNETIC RECORDING MEDIUM
  申请人：MORI Masahiko

  公开号：US20080020243A1

  公开（公告）日：2008-01-24

  A process for producing a carbonic acid ester is provided, the process comprising a step of synthesizing a saturated alkyl carbonic acid ester represented by Formula (1) so as to give the saturated alkyl carbonic acid ester represented by Formula (1) as a crude product and a step of subjecting the crude product to liquid-liquid extraction using a saturated hydrocarbon solvent and a solvent comprising an organic solvent that is not infinitely miscible with the saturated hydrocarbon solvent so as to give the saturated alkyl carbonic acid ester represented by Formula (1) as a purified product (in Formula (1), R 1 and R 2 independently denote a saturated hydrocarbon group provided that the sum of the number of carbons in R 1 and the number of carbons in R 2 is at least 12 but no greater than 50). There are also provided a carbonic acid ester produced by the production process, and a magnetic recording medium comprising a non-magnetic support and, above the non-magnetic support, a magnetic layer comprising a ferromagnetic powder dispersed in a binder, the magnetic layer comprising the carbonic acid ester and having on the surface a number of protrusions that satisfies Formula (2) 0.01≦H 15 /H 10 <0.20   (2) (H 10 denotes the number of protrusions per unit area on the surface of the magnetic layer that have a height of less than 10 nm (number/μm 2 ), and H 15 denotes the number of protrusions per unit area on the surface of the magnetic layer that have a height of 15 nm or greater (number/μm 2 )).

  提供了一种制备碳酸酯的工艺，该工艺包括合成由式（1）表示的饱和烷基碳酸酯的步骤，以便将由式（1）表示的饱和烷基碳酸酯作为粗产品，并使用饱和烃溶剂和不与饱和烃溶剂无限混溶的有机溶剂的溶剂进行液-液萃取的步骤，以便将由式（1）表示的饱和烷基碳酸酯作为纯化产品（在式（1）中，R1和R2独立表示饱和烃基，但R1中碳数和R2中碳数之和至少为12但不大于50）。还提供了通过生产工艺生产的碳酸酯，以及包括非磁性支撑和在非磁性支撑上的磁性层的磁记录介质，其中磁性层包括分散在粘合剂中的铁磁性粉末，磁性层包括碳酸酯，并在表面具有满足公式（2）的许多突起0.01≦H15/H10<0.20（2）（其中H10表示磁性层表面每单位面积具有高度小于10 nm的突起的数量（数量/μm2），而H15表示磁性层表面每单位面积具有高度为15 nm或更高的突起的数量（数量/μm2））。
• PROCESS FOR REMOVAL OF ACID GASES FROM A FLUID STREAM WITH A LIQUID ABSORBENT COMPRISING A PIPERAZINE RING
  申请人：BASF SE

  公开号：US20220152551A1

  公开（公告）日：2022-05-19

  A process for removal of acid gases from fluid stream, wherein the fluid stream is brought into contact with an absorbent to obtain a treated fluid stream and a laden absorbent, the absorbent comprising a diluent and a compound of the general formula (I) wherein R 1 is selected from C 1 -C 8 -alkyl and C 2 -C 8 -hydroxyalkyl; R 2 is selected from hydrogen and C 1 -C 8 -alkyl; R 3 is selected from hydrogen and C 1 -C 8 -alkyl; R 4 is selected from hydrogen and C 1 -C 8 -alkyl; R 5 is C 1 -C 8 -alkyl; with the proviso that at least one of the following conditions (i) and (ii) is met: (i) R 5 is C 3 -C 8 -alkyl bound to the nitrogen atom via a secondary or tertiary carbon atom; (ii) when R 4 is hydrogen, R 3 is C 1 -C 8 -alkyl; or when R 4 is C 1 -C 8 -alkyl, at least one of R 2 and R 3 is C 1 -C 8 -alkyl; and n is an integer from 0 to 6. Further provided is an absorbent for the absorption of acid gases from a fluid stream, comprising a diluent and a compound of the general formula (I) as defined above, as well as the use of a compound of the general formula (I) as defined above for removal of acid gases from a fluid stream. The absorbents are useful for the selective removal of hydrogen sulfide from fluid streams and have high acid gas loading capacity, high stability, and low volatility.

  一种从流体流中去除酸性气体的过程，其中将流体流与吸收剂接触以获得处理后的流体流和负载吸收剂，所述吸收剂包括稀释剂和通式（I）的化合物，其中R1选择自C1-C8烷基和C2-C8羟基烷基；R2选择自氢和C1-C8烷基；R3选择自氢和C1-C8烷基；R4选择自氢和C1-C8烷基；R5是C1-C8烷基；但至少满足以下条件之一（i）和（ii）之一：（i）R5是通过次级或三级碳原子与氮原子结合的C3-C8烷基；（ii）当R4为氢时，R3为C1-C8烷基；或当R4为C1-C8烷基时，至少有一个R2和R3是C1-C8烷基；n是0到6的整数。还提供了一种吸收剂，用于从流体流中吸收酸性气体，包括稀释剂和如上所述的通式（I）的化合物，以及使用如上所述的通式（I）的化合物从流体流中去除酸性气体。这些吸收剂对于选择性地从流体流中去除硫化氢非常有用，并具有高酸性气体负载能力，高稳定性和低挥发性。