Chloroform?

[big314mp]

Phosgene is bad because it formc HCl on contact with moist tissue (ex. your LUNGS), which causes lots of damage. Death by pulmonary edema.

 

And I'm a little surprised that nobody threw in diethyl ether and the williamson ether synth.

 

EDIT:

And how did I forget N2O laughing gas.