JPS5268110A - Preparation of trifluoromethyl iodide - Google Patents

Preparation of trifluoromethyl iodide

Info

Publication number
JPS5268110A
JPS5268110A JP50143900A JP14390075A JPS5268110A JP S5268110 A JPS5268110 A JP S5268110A JP 50143900 A JP50143900 A JP 50143900A JP 14390075 A JP14390075 A JP 14390075A JP S5268110 A JPS5268110 A JP S5268110A
Authority
JP
Japan
Prior art keywords
preparation
trifluoromethyl iodide
trifluoromethyl
iodide
iodine
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.)
Pending
Application number
JP50143900A
Other languages
Japanese (ja)
Inventor
Nobuki Nomura
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.)
Taiheiyo Cement Corp
Original Assignee
Onoda Cement Co Ltd
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 Onoda Cement Co Ltd filed Critical Onoda Cement Co Ltd
Priority to JP50143900A priority Critical patent/JPS5268110A/en
Publication of JPS5268110A publication Critical patent/JPS5268110A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: Trifluoromethyl iodide is prepared by the gas-phase reaction of readily available Freon 23 with iodine in the presence of an alkali metal salt, etc. supported on active carbon.
COPYRIGHT: (C)1977,JPO&Japio
JP50143900A 1975-12-05 1975-12-05 Preparation of trifluoromethyl iodide Pending JPS5268110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50143900A JPS5268110A (en) 1975-12-05 1975-12-05 Preparation of trifluoromethyl iodide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50143900A JPS5268110A (en) 1975-12-05 1975-12-05 Preparation of trifluoromethyl iodide

Publications (1)

Publication Number Publication Date
JPS5268110A true JPS5268110A (en) 1977-06-06

Family

ID=15349661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50143900A Pending JPS5268110A (en) 1975-12-05 1975-12-05 Preparation of trifluoromethyl iodide

Country Status (1)

Country Link
JP (1) JPS5268110A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5892136A (en) * 1996-11-20 1999-04-06 F-Tech Incorporated Process for producing iodotrifluoromethane
FR2794456A1 (en) * 1999-05-20 2000-12-08 Atofina Synthesis of trifluoromethyl iodide and/or pentafluoroethyl iodide by vapor phase reaction of e.g. pentafluorethane and iodine in presence of alkali or alkaline earth salt catalyst
JP2005008543A (en) * 2003-06-18 2005-01-13 Tosoh F-Tech Inc Method for producing trifluoroiodomethane and installation therefor
KR100535788B1 (en) * 2002-11-20 2005-12-09 김규성 The method and apparatus and catalyst for manutacturing of CF3I
US7071367B1 (en) 2004-12-09 2006-07-04 Honeywell International Inc. Direct one-step synthesis of CF3-I
US7132578B1 (en) 2005-07-14 2006-11-07 Honeywell International Inc. One-step synthesis of CF3-1
US7196236B2 (en) 2004-12-08 2007-03-27 Honeywell International Inc. Direct one-step synthesis of trifluoromethyl iodide
EP1918268A2 (en) * 2006-10-16 2008-05-07 Honeywell International, Inc. Catalyst promotors for producing trifluoroiodomethane and pentafluoroiodoethane
JP2009179626A (en) * 2007-11-28 2009-08-13 Honeywell Internatl Inc Pretreatment and regeneration method of catalyst used in production process of fluoroiodoalkanes
US8034985B2 (en) 2007-02-15 2011-10-11 Honeywell International, Ltd. Catalyst for the synthesis of CF3CF2I
CN105503515A (en) * 2016-01-26 2016-04-20 巨化集团技术中心 Continuous preparation method of short-chain perfluoroalky iodide
CN109289885B (en) * 2018-08-25 2021-07-27 浙江工业大学 A kind of gas-phase catalytic synthesis catalyst of perfluoroiodocarbon compound and its preparation and application
CN116003215A (en) * 2022-11-08 2023-04-25 昊华气体有限公司 Method for removing trifluoromethane impurities in monofluoromethane

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19751551B4 (en) * 1996-11-20 2008-09-25 F-Tech, Inc. Process for the preparation of iodotrifluoromethane
US5892136A (en) * 1996-11-20 1999-04-06 F-Tech Incorporated Process for producing iodotrifluoromethane
FR2794456A1 (en) * 1999-05-20 2000-12-08 Atofina Synthesis of trifluoromethyl iodide and/or pentafluoroethyl iodide by vapor phase reaction of e.g. pentafluorethane and iodine in presence of alkali or alkaline earth salt catalyst
KR100535788B1 (en) * 2002-11-20 2005-12-09 김규성 The method and apparatus and catalyst for manutacturing of CF3I
JP2005008543A (en) * 2003-06-18 2005-01-13 Tosoh F-Tech Inc Method for producing trifluoroiodomethane and installation therefor
US7196236B2 (en) 2004-12-08 2007-03-27 Honeywell International Inc. Direct one-step synthesis of trifluoromethyl iodide
US7071367B1 (en) 2004-12-09 2006-07-04 Honeywell International Inc. Direct one-step synthesis of CF3-I
WO2006063241A3 (en) * 2004-12-09 2006-07-27 Honeywell Int Inc Direct one-step synthesis from cf3-i
JP2008523092A (en) * 2004-12-09 2008-07-03 ハネウェル・インターナショナル・インコーポレーテッド Direct one-step synthesis of CF3-I
US7132578B1 (en) 2005-07-14 2006-11-07 Honeywell International Inc. One-step synthesis of CF3-1
EP1918268A2 (en) * 2006-10-16 2008-05-07 Honeywell International, Inc. Catalyst promotors for producing trifluoroiodomethane and pentafluoroiodoethane
US8034985B2 (en) 2007-02-15 2011-10-11 Honeywell International, Ltd. Catalyst for the synthesis of CF3CF2I
JP2009179626A (en) * 2007-11-28 2009-08-13 Honeywell Internatl Inc Pretreatment and regeneration method of catalyst used in production process of fluoroiodoalkanes
US8722945B2 (en) 2007-11-28 2014-05-13 Honeywell International Inc. Method for pretreating and regenerating catalysts used in a process for making fluoroiodoalkanes
JP2014088410A (en) * 2007-11-28 2014-05-15 Honeywell Internatl Inc Method for pretreating and regenerating catalysts used in process for making fluoroiodoalkanes
CN105503515A (en) * 2016-01-26 2016-04-20 巨化集团技术中心 Continuous preparation method of short-chain perfluoroalky iodide
CN109289885B (en) * 2018-08-25 2021-07-27 浙江工业大学 A kind of gas-phase catalytic synthesis catalyst of perfluoroiodocarbon compound and its preparation and application
CN116003215A (en) * 2022-11-08 2023-04-25 昊华气体有限公司 Method for removing trifluoromethane impurities in monofluoromethane

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