TIL: The US developed the chemical compound Cyanogen Chloride for use in WW2 against Japan. It is a highly toxic blood agent that could penetrate gas masks. Truman decided against using it and opted for the atom bomb. It is now listed in the Chemical Weapons Convention and has never been deployed.

https://en.wikipedia.org/wiki/Cyanogen_chloride
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gtpoym/til_the_us_developed_the_chemical_compound/