Date: Thu, 19 Aug 2010 12:38:54 -0400
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "James A. Boehlert" <boehlert**At_Symbol_Here**PRINCETON.EDU>
Subject: Re: Thorium Dioxide
In-Reply-To: <4A4DBA32095D8F4B8691764CCD5775880933605C**At_Symbol_Here**>

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.


James A. Boehlert Jr.

Program Manager - Chemical Safety

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~< /p>

Princeton University

Dept. of Environmental Health & Safety

262 Alexander Street

Princeton, NJ 08540

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609-258-7882 (voice)

609-258-1804 (fax)

From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU] On Behalf Of Johnson, Amy Carr
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.


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