[raducu]

Isn't it also used as a cost effective explosive in some places?

I mean, perhaps thats the reason it was not made inert when it was fabricated in Ukraine. It was on the Lebanese authorities to properly store or dispose of it after they seized the shipping.

[regularfry]

It's mixed with diesel and used as a quarrying explosive.

[Sharlin]

Not to mention as a historically popular homebrew explosive for less than legal uses.