DCHAS-L Discussion List Archive
Date: Fri, 12 Mar 2010 15:57:00 -0800
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Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Debbie M. Decker" <dmdecker**At_Symbol_Here**UCDAVIS.EDU>
Subject: FW: Inactivation of Meta chloro peroxybenzoic acid
Comments: To: Laboratory Safety
Hey all you chemists out there! I don't quite know where to begin to give
my colleague, Dexter, advice.
Ideas?
-----Original Message-----
From: Dexter
Debbie
We are using MCPBA to make some epoxides. I need to purify the MCPBA
before I use it and the wash and crystalization process leaves a
significant anoumt in solution. Usually dichloromethane. I will
obviuosly discard this solution as toxic waste but I want to deactivate
the MCPBA that remains. I have read you can use NaI , ferrous ions,
potassium hydroxide, sodium thiosulfate, etc. What in your knowledge is
the preferred method. Thanks. Dexter
-----------------------------
Debbie M. Decker, Campus Chemical Safety Officer
Environmental Health and Safety
University of California, Davis
1 Shields Ave.
Davis, CA=A0 95616
(530)754-7964/(530)752-4527 (FAX)
dmdecker**At_Symbol_Here**ucdavis.edu
Co-Conspirator to Make the World A
Better Place -- Visit www.HeroicStories.com and join the conspiracy
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