Phosgene is an organic chemical compound with the formula COCl2. It is a toxic, colorless gas; in low concentrations, its musty odor resembles that of freshly cut hay or grass. It can be thought of ch
US Army phosgene identification poster from World War II
A sample case of toxic gases used in chemical warfare; the leftmost contains phosgene in a sealed capillary
Sarin is an extremely toxic organophosphorus compound that has been often used as a chemical weapon due to its extreme potency as a nerve agent.
Phosgene
…production sites manufacturing more than 30 tonnes per year must be declared to the OPCW. Although less toxic than many other chemical weapons such as sarin, phosgene is still regarded as a viable chemical warfare agent because of its simpler manufacturing requirements when compared to that of more technically…
Rabbit used to check for leaks at former sarin production plant (Rocky Mountain Arsenal), 1970
U.S. Honest John missile warhead cutaway, showing M134 Sarin bomblets (c. 1960)