1,1,2,2-四氯-1,3,3,3-四氟丙烷 | 2268-44-2

• 分子结构分类: 有机化合物 - 有机卤素化合物 - 卤代烷
• 中文名称: 1,1,2,2-四氯-1,3,3,3-四氟丙烷
• 英文名称: 1,1,2,2-tetrachloro-1,3,3,3-tetrafluoropropane
• 英文别名: 1,1,2,2-Tetrachlor-1,3,3,3-tetrafluor-propan；1,1,1,3-Tetrafluortetrachlorpropan；2,2,3,3-tetrachloro-1,1,1,3-tetrafluoropropane；1,1,2,2-Tetrachlorotetrafluoropropane
• CAS: 2268-44-2
• 化学式: C₃Cl₄F₄
• 分子量: 253.839
• InChiKey: VOEBBCDMYRPKRD-UHFFFAOYSA-N

物化性质

• 熔点：
  41.74 °C
• 沸点：
  112.4 °C
• 密度：
  1.744±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.1
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• 海关编码：
  2903772023

反应信息

• 作为反应物：
  描述：

  1,1,2,2-四氯-1,3,3,3-四氟丙烷 在 乙醇 、 锌 作用下， 生成 1,2-二氯四氟丙烯
  参考文献：
  名称：

  Fluorinated Derivatives of Propane and Propylene. VI

  摘要：

  DOI：

  10.1021/ja01207a041
• 作为产物：
  描述：

  1,2-二氯四氟丙烯 在 氯 作用下， 生成 1,1,2,2-四氯-1,3,3,3-四氟丙烷
  参考文献：
  名称：

  Miller, 1951, vol. Bd.1, p. 567,598

  摘要：

  DOI：

文献信息

• Thermal chlorofluorination of propyne and propadiene
  作者：Randolph K. Belter

  DOI：10.1016/j.jfluchem.2006.09.007

  日期：2006.12

  Propyne and propadiene have been found to readily undergo vapor phase catalyzed chlorofluorination. At temperatures to 285 °C, the reaction forms mixtures of C3F4Cl4 isomers that differ in composition from mixtures obtained from either propane or propene.

  已经发现丙炔和丙二烯易于进行气相催化的氯氟化。在至285℃的温度下，反应形成C 3 F 4 Cl 4异构体的混合物，其组成不同于从丙烷或丙烯获得的混合物。
• [EN] PROCESS FOR THE PREPARATION OF 1,1,1,3,3-PENTAFLUOROPROPANE AND 1,1,1,2,3-PENTAFLUOROPROPANE<br/>[FR] PROCEDE D'ELABORATION DE 1,1,1,3,3-PENTAFLUOROPROPANE ET DE 1,1,1,2,3-PENTAFLUOROPROPANE
  申请人：DU PONT

  公开号：WO2005037743A1

  公开（公告）日：2005-04-28

  A process is disclosed for the manufacture of CF3CH2CHF2 and CF3CHFCH2F. The process involves (a) reacting hydrogen fluoride, chlorine, and at least one halopropene of the formula CX3CCl=CClX (where each X is independently F or Cl) to produce a product including both CF3CCl2CClF2 and CF3CClFCCl2F; (b) reacting CF3CCl2CClF2 and CF3CClFCCl2F produced in (a) with hydrogen to produce a product including both CF3CH2CHF2, and CF3CHFCH2F; and (c) recovering CF3CH2CHF2 and CF3CHFCH2F from the product produced in (b). In (a), the CF3CCl2CClF2 and CF3CClFCCl2F are produced in the presence of a chlorofluorination catalyst including a ZnCr2O4/crystalline α-chromium oxide composition, a ZnCr2O4/crystalline α-chromium oxide composition which has been treated with a fluorinating agent, a zinc halide/α-chromium oxide composition and/or a zinc halide/α-chromium oxide composition which has been treated with a fluorinating agent.

  揭示了一种制备CF3CH2CHF2和CF3CHFCH2F的工艺。该工艺涉及：(a)反应氢氟酸、氯和至少一种具有分子式CX3CCl=CClX的卤代丙烯，其中每个X独立地为F或Cl，以产生包括CF3CCl2CClF2和CF3CClFCCl2F的产物；(b)将(a)中产生的CF3CCl2CClF2和CF3CClFCCl2F与氢反应，以产生包括CF3CH2CHF2和CF3CHFCH2F的产物；(c)从(b)中产生的产物中回收CF3CH2CHF2和CF3CHFCH2F。在(a)中，CF3CCl2CClF2和CF3CClFCCl2F是在存在氯氟化催化剂的情况下产生的，该催化剂包括ZnCr2O4/结晶α-铬氧化物组合物、经氟化剂处理过的ZnCr2O4/结晶α-铬氧化物组合物、锌卤化物/α-铬氧化物组合物和/或经氟化剂处理过的锌卤化物/α-铬氧化物组合物。
• Compositions containing chromium, oxygen and gold, their preparation, and their use as catalysts and catalyst precursors
  申请人：Rao Velliyur Nott Mallikarjuna

  公开号：US20080207964A1

  公开（公告）日：2008-08-28

  A catalyst composition is disclosed that includes chromium, oxygen, and gold as essential constituent elements. The amount of gold in the composition is from about 0.05 atom % to about 10 atom % based on the total amount of chromium and gold. Also disclosed is a process for changing the fluorine distribution (i.e., content and/or arrangement) in a hydrocarbon or halogenated hydrocarbon in the presence of the catalyst composition; and methods for preparing said catalyst composition. One preparation method involves; (a) co-precipitating a solid by adding ammonium hydroxide (aqueous ammonia) to an aqueous solution of a soluble gold salt and a soluble chromium salt that contains at least three moles of nitrate per mole of chromium in the solution and has a gold content of from about 0.05 atom % to about 10 atom % of the total content of gold and chromium in the solution to form an aqueous mixture containing co-precipitated solid; (b) drying the co-precipitated solid formed in (a); and (c) calcining the dried solid formed in (b) in an atmosphere containing at least 10% oxygen by volume. Another preparation method involves (a) impregnating solid chromium oxide with a solution of a soluble gold salt, (b) drying the impregnated chromium oxide prepared in (a); and optionally, (c) calcining the dried solid. A third preparation method involves (a) evaporating an aqueous solution of chromium(VI) oxide and a soluble gold salt to form a solid; (b) drying the solid formed in (a); and (c) calcining the dried solid formed in (b) in an atmosphere containing at least 10% oxygen by volume.

  揭示了一种催化剂组成物，其中包括铬、氧和金作为必要的成分元素。在组成物中金的量为总铬和金的量的约0.05原子％至约10原子％。还公开了一种在催化剂组成物存在下改变碳氢化合物或卤代碳氢化合物中氟分布（即含量和/或排列）的过程；以及制备该催化剂组成物的方法。其中一种制备方法包括：(a)通过将氢氧化铵（水合氨）加入至含有至少三摩尔硝酸盐的可溶性金盐和可溶性铬盐的水溶液中，该水溶液中铬的摩尔数为溶液中铬的摩尔数，并且金含量为约总金和铬含量的0.05原子％至约10原子％，以形成含有共沉淀固体的水溶液混合物；(b)干燥步骤a中形成的共沉淀固体；以及(c)在至少10％体积氧气的气氛中煅烧步骤b中形成的干燥固体。另一种制备方法包括(a)用可溶性金盐的溶液浸渍固体铬氧化物，(b)干燥步骤a中制备的浸渍的铬氧化物；以及可选地，(c)煅烧所干燥的固体。第三种制备方法包括(a)蒸发铬(VI)氧化物和可溶性金盐的水溶液以形成固体；(b)干燥步骤a中形成的固体；以及(c)在至少10％体积氧气的气氛中煅烧步骤b中形成的干燥固体。
• Copper-Substituted Chromium Oxide Compositions, Their Preparation, and Their Use as Catalysts and Catalyst Precursors
  申请人：Rao Velliyur Nott Mallikarjuna

  公开号：US20100152503A1

  公开（公告）日：2010-06-17

  A crystalline alpha-chromium oxide where from about 0.05 atom % to about 5 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by divalent copper (Cu +2 ) atoms is disclosed. Also disclosed is a chromium-containing catalyst composition comprising as a chromium-containing component the crystalline copper-substituted alpha-chromium oxide; and methods for preparing a composition comprising the crystalline copper-substituted alpha-chromium oxide. One method involves (a) co-precipitating a solid by adding ammonium hydroxide to an aqueous solution of a soluble copper salt and a soluble trivalent chromium salt that contains at least three moles of nitrate per mole of chromium in the solution and has a copper concentration of from about 0.05 atom % to about 5 atom % of the total concentration of copper and chromium in the solution; and after at least three moles of ammonium per mole of chromium in the solution has been added to the solution, (b) collecting the co-precipitated solid formed in (a); (c) drying the collected solid; and (d) calcining the dried solid. Another method involves (a) preparing an aqueous solution of a soluble copper salt and a soluble trivalent chromium salt that contains a copper concentration of from about 0.05 atom % to about 5 atom % of the total concentration of copper and chromium in the solution, (b) evaporating the solution to dryness, and (c) calcining the dried solid. Also disclosed is a chromium-containing catalyst composition comprising a chromium-containing component prepared by treating the crystalline copper-substituted alpha-chromium oxide with a fluorinating agent; and a process for changing the fluorine distribution (i.e., content and/or arrangement) in a hydrocarbon or halogenated hydrocarbon in the presence of a catalyst. The process involves using as the catalyst a composition comprising the crystalline copper-substituted alpha-chromium oxide and/or the treated copper-substituted alpha-chromium oxide.

  本文介绍了一种晶体α-铬氧化物，其中α-铬氧化物晶格中约0.05原子％至约5原子％的铬原子被二价铜（Cu + 2）原子替换。还公开了一种含铬催化剂组成物，其中包括作为含铬组分的晶体铜取代的α-铬氧化物；以及制备含晶体铜取代的α-铬氧化物组成物的方法。其中一种方法涉及（a）通过向可溶性铜盐和含有至少三摩尔硝酸盐的可溶性三价铬盐的水溶液中加入氨水共沉淀固体，其中溶液中的铜浓度为总铜和铬浓度的约0.05原子％至约5原子％；并在溶液中加入至少三摩尔铬的氨水后，（b）收集（a）中形成的共沉淀固体；（c）干燥收集的固体；和（d）煅烧干燥的固体。另一种方法涉及（a）制备含有可溶性铜盐和可溶性三价铬盐的水溶液，其中铜浓度为总铜和铬浓度的约0.05原子％至约5原子％，（b）将溶液蒸发至干燥，（c）煅烧干燥的固体。还公开了一种含铬催化剂组成物，其中包括通过用氟化剂处理晶体铜取代的α-铬氧化物制备的含铬组分；以及在催化剂存在下改变碳氢化合物或卤代碳氢化合物中的氟分布（即，含量和/或排列）的过程。该过程涉及使用包括晶体铜取代的α-铬氧化物和/或经处理的铜取代的α-铬氧化物的组成物作为催化剂。
• Preparation of composition containing chromium, oxygen, and either silver or palladium, and their use as catalysts and catalyst precursors
  申请人：Rao Velliyur Nott Mallikarjuna

  公开号：US20080207963A1

  公开（公告）日：2008-08-28

  A method for preparing a catalyst composition suitable for increasing the fluorine content in a hydrocarbon or a halogenated hydrocarbon is disclosed. The method involves (a) co-precipitating a solid by adding ammonium hydroxide to an aqueous solution of a soluble trivalent chromium salt and a soluble salt of a modifier metal selected from silver and palladium, that contains at least three moles of nitrate (i.e., NO 3 − ) per mole of chromium (i.e., Cr +3 ) in the solution and has a modifier metal concentration of from about 0.05 atom % to about 10 atom % of the total concentration of modifier metal and chromium in the solution to form an aqueous mixture containing co-precipitated solid and dissolved ammonium nitrate; and after at least three moles of ammonium hydroxide per mole of chromium in the solution has been added to the solution, (b) drying said aqueous mixture formed in (a); and (c) calcining the dried solid formed in (b) in an atmosphere containing at least 10% oxygen by volume (e.g., air). Also disclosed is a catalyst composition comprising alpha-chromium oxide and a modifier metal selected from silver and palladium prepared by the above method. Also disclosed is a process for increasing the fluorine content in a hydrocarbon or halogenated hydrocarbon in the presence of a catalyst; and processes using a catalyst composition comprising chromium, oxygen and a modifier metal selected from siver and palladium as essential constituent elements (e.g., a catalyst composition prepared by the above process). An azeotropic composition involving CF 3 CCl═CF 2 and HF is also disclosed.

  本发明公开了一种制备催化剂组成物的方法，适用于提高碳氢化合物或卤化碳氢化合物中氟含量。该方法包括(a)通过向可溶性三价铬盐和可溶性修饰金属盐的水溶液中添加氢氧化铵，共沉淀出固体，所述水溶液中含有至少每摩尔铬（即Cr+3）三摩尔硝酸盐（即NO3−）和约0.05原子%至约10原子%的修饰金属总浓度，形成含有共沉淀固体和溶解的硝酸铵的水混合物；并在向溶液中加入至少每摩尔铬三摩尔氢氧化铵后，(b)干燥(a)中形成的水混合物；和(c)在至少含有10%体积氧气的气氛中（例如空气）煅烧(b)中形成的干燥固体。本发明还公开了一种催化剂组成物，包括α-铬氧化物和从银和钯中选择的修饰金属，由上述方法制备。本发明还公开了一种在催化剂存在下提高碳氢化合物或卤化碳氢化合物中氟含量的过程；以及使用包括铬，氧和从银和钯中选择的修饰金属作为必要组成元素的催化剂组成物的过程（例如，由上述过程制备的催化剂组成物）。本发明还公开了涉及CF3CCl═CF2和HF的共沸混合物组成。