107932-13-8

Basic information

• Product Name: 2,3-dichloro-1,1,2,3,4,4-hexafluorobutane
• Synonyms: 2,3-dichloro-1,1,2,3,4,4-hexafluorobutane
• CAS NO: 107932-13-8
• Molecular Weight: 234.956
• Mol File: 107932-13-8.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: 2,3-dichloro-1,1,2,3,4,4-hexafluorobutane(CAS DataBase Reference)
• NIST Chemistry Reference: 2,3-dichloro-1,1,2,3,4,4-hexafluorobutane(107932-13-8)
• EPA Substance Registry System: 2,3-dichloro-1,1,2,3,4,4-hexafluorobutane(107932-13-8)

Safety Data

• Hazardous Substances Data: 107932-13-8(Hazardous Substances Data)

Upstream product

• 375-42-8 1,4-dibromo-2,3-dichloro-1,1,2,3,4,4-hexafluorobutane 
• 359-04-6 1-chloro-1,2-difluoroethene 
• 422-61-7 perfluoropropanoyl fluoride 
• 812-04-4 1,1-dichloro-1,2,2-trifluoroethane 

Downstream Products

• 685-63-2 hexafluoro-1,3-butadiene 

Relevant articles and documents

Method for preparing hexafluorobutadiene

The invention discloses a method for preparing hexafluorobutadiene. The method comprises the following steps: carrying out a hydrogenation dechlorination dimerization reaction on 1,1-dichloro-1,2,2-trifluoroethane or 1,2-dichloro-1,1,2-trifluoroethane on a supported metal catalyst in H2 atmosphere, separating out a target product hexafluorobutadiene, carrying out gas phase thermal cracking on an intermediate hydroflurochlorobutane to remove HCl in order to prepare hexafluorobutadiene, filtering the product generated after above reactions, washing the filtered product with an alkali, washing the washed product with water, drying the product, compressing, and carrying out rectifying purification to obtain the highly pure hexafluorobutadiene. The method for preparing hexafluorobutadiene overcomes the disadvantages of long operating period, low unit volume output and large device investment of present technologies, and has the advantages of high yield, few steps, easy industrialization, realization of production of the highly pure hexafluorobutadiene through selection of reactants and control of reaction conditions, simple process, cheap and easily available raw material, low cost, facilitation of industrial production, continuous production, and great improvement of the unit device productivity.

ADDITION OF 1,2-DIBROMO-1-CHLOROTRIFLUOROETHANE TO CHLOROTRIFLUOROETHYLENE INDUCED BY UV-RADIATION. SYNTHESIS OF PERFLUORO-1,3-BUTADIENE AND PERFLUORO-1,3,5-HEXATRIENE

Photochemically initiated reaction of 1,2-dibromo-1-chlorotrifluoroethane (II) with chlorotrifluoroethylene (I) gave 38percent 1,4-dibromo-2,3-dichlorohexafluorobutane (III) and 19percent 1,6-dibromo-2,3,5-trichlorononafluorohexane (IV) in addition to the higher telomers.Dehalogenations of III and IV yielded perfluoro-1,3-butadiene (VI) and perfluoro-1,3,5-hexatriene (VIII) with 3-chlorononafluoro-1,5-hexadiene (VII), respectively.Photochemical reduction of butane III with 2-propanol resulted in a preferential reduction of C-Br bonds, and from 2,3-dichloro-1,1,2,3,4,4-hexafluorobutane (IX) thus formed, esters of difluoroacetic acid were prepared by dehalogenation of IX and subsequent oxidation and esterification of the product.The photochemical reduction of hexane IV gave a mixture of 79percent trichlorononafluorohexane XII and 21percent dichlorononafluorohexane XIII.The mechanism of formation of the unusual products of the title addition reaction is discussed.