Originally Posted by
ralfp
And dynamite is quite safe until you detonate it... the point is that sodium metal in any quantity above a trace amount should probably be prohibited in carry-on and checked luggage (I assume it is already prohibited), though I'm not sure the real danger it poses (e.g what would flushing a 1cm cube do?)
(This is coming from a more Spiff-leaning FT member.)
I'm not disagreeing with you. Sodium is highly reactive.
With new battery technology this metal may become more common.
I don't recall seeing it listed in anything that TSA has provided to the public as a restricted item.