@cjust@infosec.exchange You may enjoy Derek Lowe's Things I Won't Work With: You run a mixture of oxygen and fluorine through a 700-degree-heating block. "Oh, no you don't," is the common reaction of most chemists to that proposal, ". . .not unless I'm at least a mile away, two miles if I'm downwind." This, folks, is the bracingly direct route to preparing dioxygen difluoride, often referred to in the literature by its evocative formula of FOOF. https://www.science.org/content/blog-post/things-i-won-t-work-dioxygen-difluoride