JPS5476504A - Preparation of bromotrifluoromethane - Google Patents

Preparation of bromotrifluoromethane

Info

Publication number
JPS5476504A
JPS5476504A JP13944977A JP13944977A JPS5476504A JP S5476504 A JPS5476504 A JP S5476504A JP 13944977 A JP13944977 A JP 13944977A JP 13944977 A JP13944977 A JP 13944977A JP S5476504 A JPS5476504 A JP S5476504A
Authority
JP
Japan
Prior art keywords
chf
bromination
reactor
gas
trifluoromethane
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.)
Granted
Application number
JP13944977A
Other languages
Japanese (ja)
Other versions
JPS5721248B2 (en
Inventor
Norihisa Koketsu
Fumio Inoue
Tadaaki Komatsu
Masaaki Matsuoka
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.)
Central Glass Co Ltd
Original Assignee
Central Glass 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 Central Glass Co Ltd filed Critical Central Glass Co Ltd
Priority to JP13944977A priority Critical patent/JPS5476504A/en
Publication of JPS5476504A publication Critical patent/JPS5476504A/en
Publication of JPS5721248B2 publication Critical patent/JPS5721248B2/ja
Granted legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To obtain the title compound in a high yield without forming unfavorable by-products, by reacting trifluoromethane with bromine in the presence of sulfur trioxide.
CONSTITUTION: Trifluoromethane (CHF3) is divided into two channels, and blown into the bromination bath 3 and the fuming sulfuric acid bath 4 via the flowmeters 1 and 2 respectively to provide a hot raw material gas for bromination of Br, CHF3, and SO3 having a given composition. The gas is then reacted in the reactor 8 kept at preferably 500W800°C. The gas discharged from the reactor 8 is washed with the water 10 and aqueous alkali 11 to remove the unreacted Br2, hydrogen bromide, sulfur oxide, etc., thus recovering CHF3, etc.
COPYRIGHT: (C)1979,JPO&Japio
JP13944977A 1977-11-22 1977-11-22 Preparation of bromotrifluoromethane Granted JPS5476504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13944977A JPS5476504A (en) 1977-11-22 1977-11-22 Preparation of bromotrifluoromethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13944977A JPS5476504A (en) 1977-11-22 1977-11-22 Preparation of bromotrifluoromethane

Publications (2)

Publication Number Publication Date
JPS5476504A true JPS5476504A (en) 1979-06-19
JPS5721248B2 JPS5721248B2 (en) 1982-05-06

Family

ID=15245455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13944977A Granted JPS5476504A (en) 1977-11-22 1977-11-22 Preparation of bromotrifluoromethane

Country Status (1)

Country Link
JP (1) JPS5476504A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110407662A (en) * 2019-07-08 2019-11-05 山东重山光电材料股份有限公司 A kind of method and system producing bromotrifluoromethane and co-producing high-purity hydrogen bromide

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5262208A (en) * 1975-11-17 1977-05-23 Onoda Cement Co Ltd Process for preparation of bromotrifluoromethane

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5262208A (en) * 1975-11-17 1977-05-23 Onoda Cement Co Ltd Process for preparation of bromotrifluoromethane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110407662A (en) * 2019-07-08 2019-11-05 山东重山光电材料股份有限公司 A kind of method and system producing bromotrifluoromethane and co-producing high-purity hydrogen bromide

Also Published As

Publication number Publication date
JPS5721248B2 (en) 1982-05-06

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