Thorium dioxide is a powder, just like thorium nitrate (or other thorium compounds). It is not pyrophoric - but it is radioactive. I'm sure it has other issues - just answering the pyrophoric part.
On 8/19/2010 1:05 PM, William Munsey wrote:
I have never personally worked with this compound. A Google search turns up several material safety data sheets. The three at which I looked that mentioned anything about flammability described thorium dioxide as non-flammable.
Can anyone tell me if thorium dioxide is pyrophoric? I know that powdered thorium is.
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