Originally Posted by
zzyzx_xyzzy
Propane has two big drawbacks: it's heavier than air and will fill up a basement or garage if it leaks. And if a tank ruptures in a fire it is very violent (acetylene less so because it is limited by how fast it comes out of the acetone solution)
With all due respect, 'tis not the chemical, in-and-of-itself, that gets you in trouble,.. it's the user's ignorance and/or recklessness that destroys buildings and puts innocent victims in the hospital. Please don't ask me how many times I've spotted
plastic gasoline containers (for lawn mowers) inside and on the floor of the very same structure they use for welding and grinding.