“We used to play with it as kids. Use it in high school labs
My guess is that the vapor may do you harm. I suspect the vapor pressure at room temperatures is pretty low so there won’t be much in the air from the from the small bulbs you chased around on your desk. Would probably need to breath a bunch of the dust that flies out when you break a florescent light bulb. Any florescent light bulb engineers out with some real data?
I grew up with miners who used it to amalgamate gold and silver. Yes... They never sat downwind when they were burning it off.