Process for preparation of hexafluoroacetone monohydrate

Disclosed is a method for producing hexafluoroacetone monohydrate by (1) allowing, in an organic solvent, hexafluoroacetone to be absorbed into water or a hexafluoroacetone hydrate (water addition method) or by (2) an easy method in which a hexafluoroacetone hydrate is mixed with an organic solvent...

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Bibliographic Details
Main Authors KUME TAKASHI, KATSUHARA YUTAKA, HAYASAKA TATSUYA, WATANABE MINEO
Format Patent
LanguageChinese
English
Published 06.08.2014
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:Disclosed is a method for producing hexafluoroacetone monohydrate by (1) allowing, in an organic solvent, hexafluoroacetone to be absorbed into water or a hexafluoroacetone hydrate (water addition method) or by (2) an easy method in which a hexafluoroacetone hydrate is mixed with an organic solvent and then distillation is conducted, thereby removing a mixture of water and the organic nnnt as a low-boiling-point composition and obtaining a mixture of hexafluoroacetone monohydrate and the organic solvent as a high-boiling-point composition (dehydration method).
Bibliography:Application Number: CN201080036656