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From: James A. Boehlert <boehlert**At_Symbol_Here**PRINCETON.EDU>
Subject: Re: Thorium Dioxide
Date: Aug 19, 2010 16:38 UTC
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DCHAS-L Discussion List
In-Reply-To: <4A4DBA32095D8F4B8691764CCD5775880933605C**At_Symbol_Here**ENTWEXMB0000000.university.harvard.edu>
Thorium dioxide is not pyrophoric as it is already oxidized. It is the compound formed from thorium has already “burned”. Aside from the radiation hazard, it should be fairly inert.
http://www.esp imetals.com/msds's/thoriumoxide.pdf
James A. Boehlert Jr.
Program Manager - Chemical Safety
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~< /p>
Princeton University
Dept. of Environmental Health & Safety
262 Alexander Street
Princeton, NJ 08540
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~< /p>
609-258-7882 (voice)
609-258-1804 (fax)
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List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU] On Behalf Of Johnson, Amy
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Sent: Thursday, August 19, 2010 12:04 PM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: [DCHAS-L] Thorium Dioxide
Can anyone tell me if thorium dioxide is pyrophoric? I know that powdered thorium is.