Tear gas

Tear gas
Among the first uses of chemicals as weapons, Tear inducing agents were used.During the first World War, the French army were the first to employ gas, using 26 mm grenades filled with tear gas (ethyl bromoacetate) in August 1914. The small quantities of tear gas used were not even detected by the Germans. Active agent was later changes to chloroacetone.In October 1914, German troops fired fragmentation shells filled with a chemical irritant against British positions at Neuve Chapelle.

These days a type of Tear Gas is routinely used by police to disperse rowdy crowd of demonstrators.

Chemical Weapons