Title:
ジフルオロ酢酸クロライドの精製方法
Document Type and Number:
Japanese Patent JP5678762
Kind Code:
B2
Abstract:
[Problem] To provide a method for producing a highly pure difluoroacetic acid chloride composition product that at least contains difluoroacetic acid fluoride, by using a simple means and a simple device. [Solution] A method for purifying difluoroacetic acid chloride, including the step of bringing a difluoroacetic acid chloride composition that contains at least difluoroacetic acid fluoride into contact with calcium chloride at a temperature enabling reaction thereof thereby converting the difluoroacetic acid fluoride into difluoroacetic acid chloride.
Inventors:
高田 直門
岡本 正宗
井村 英明
岡本 正宗
井村 英明
Application Number:
JP2011070387A
Publication Date:
March 04, 2015
Filing Date:
March 28, 2011
Export Citation:
Assignee:
セントラル硝子株式会社
International Classes:
C07C51/64; C07C53/48
Attorney, Agent or Firm:
Makoto Koide