A process for purifying monooctyltin trichloride

The present invention provides a process for producing monooctyltin trichloride comprising very low levels of dioctyltin and trioctyltin compounds, said process comprising the following steps: (1) Contacting an organotin chloride mixture comprising monooctyltin chloride with an aqueous phase contain...

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Bibliographic Details
Main Authors SCHUMACHER, OLIVER, KIELBUS, DAMIAN, MASSING, DETLEF, PIEPER, THOMAS
Format Patent
LanguageChinese
English
Published 01.07.2016
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention provides a process for producing monooctyltin trichloride comprising very low levels of dioctyltin and trioctyltin compounds, said process comprising the following steps: (1) Contacting an organotin chloride mixture comprising monooctyltin chloride with an aqueous phase containing halide ions, said step optionally being carried out in the presence of organic solvent; (2) separating the resulting aqueous phase which is rich in monooctyltin chloride from the organic phase containing most of the dioctyltin and trioctyltin compounds; (3) optionally purifying said aqueous phase comprising monooctyltin trichloride from undesired side products by washing said aqueous phase with an organic solvent; and (4) recovering monooctyltin trichloride from said aqueous phase comprising monooctyltin trichloride.
Bibliography:Application Number: TW20154130479