GB793750A - Process for the manufacture of 1:1-difluoro-1:2:2-trichlorethane - Google Patents

Process for the manufacture of 1:1-difluoro-1:2:2-trichlorethane

Info

Publication number
GB793750A
GB793750A GB1463756A GB1463756A GB793750A GB 793750 A GB793750 A GB 793750A GB 1463756 A GB1463756 A GB 1463756A GB 1463756 A GB1463756 A GB 1463756A GB 793750 A GB793750 A GB 793750A
Authority
GB
United Kingdom
Prior art keywords
difluoro
trichlorethane
manufacture
pentachlorethane
chlorine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1463756A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Farbwerke Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Farbwerke Hoechst AG filed Critical Farbwerke Hoechst AG
Publication of GB793750A publication Critical patent/GB793750A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

1:1 - Difluoro - 1:2:2 - trichloroethane is manufactured by the action of hydrogen fluoride on pentachlorethane in presence of chlorine and an antimony halide at superatmospheric pressure and above about 110 DEG C., and removing the hydrogen chloride formed. In examples, pentachlorethane is heated to 130 DEG C. with SbCl3 or SbF3, HF and a small quantity of chlorine, to give high yields of the main product with small quantities of other fluorochlorethanes.
GB1463756A 1955-05-10 1956-05-10 Process for the manufacture of 1:1-difluoro-1:2:2-trichlorethane Expired GB793750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF17499A DE1041026B (en) 1955-05-10 1955-05-10 Process for the preparation of 1,1-difluoro-1,2,2-trichloroethane

Publications (1)

Publication Number Publication Date
GB793750A true GB793750A (en) 1958-04-23

Family

ID=7088597

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1463756A Expired GB793750A (en) 1955-05-10 1956-05-10 Process for the manufacture of 1:1-difluoro-1:2:2-trichlorethane

Country Status (3)

Country Link
DE (1) DE1041026B (en)
FR (1) FR1154089A (en)
GB (1) GB793750A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202509A (en) * 1989-09-01 1993-04-13 Societe Atochem Catalysts for liquid phase fluorination
FR2651447B1 (en) * 1989-09-01 1994-02-11 Atochem NOVEL FLUORINATION CATALYSTS IN THE LIQUID PHASE.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005705A (en) * 1930-09-20 1935-06-18 Kinetic Chemicals Inc Preparation of carbon compounds containing fluorine
US2005708A (en) * 1933-08-24 1935-06-18 Kinetic Chemicals Inc Production of halogenated ethane derivatives containing fluorine
FR1069872A (en) * 1952-01-15 1954-07-13 Wacker Chemie Gmbh Penta-chloroethane fluorination process

Also Published As

Publication number Publication date
DE1041026B (en) 1958-10-16
FR1154089A (en) 1958-04-02

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