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The compound 2-chlorobenzalmalononitrile (also called o-chlorobenzylidene malononitrile; chemical formula: C 10 H 5 ClN 2), a cyanocarbon, is the defining component of the lachrymatory agent commonly referred to as CS gas, a tear gas which is used as a riot control agent, and is banned for use in warfare due to the 1925 Geneva Protocol.
Tear gas in use in France 2007 Exploded tear gas canister in the air in Greece. Tear gas, also known as a lachrymatory agent or lachrymator (from Latin lacrima 'tear'), sometimes colloquially known as "mace" after the early commercial self-defense spray, is a chemical weapon that stimulates the nerves of the lacrimal gland in the eye to produce tears.
Xylyl bromide is an irritant and lachrymatory agent.It has been incorporated in chemical weapons since the early months of World War I.Some commentators say the first use was in August 1914, when the French attacked German soldiers with tear gas grenades, [2] [3] but the agent used in that incident was more likely to be ethyl bromoacetate, which the French had tested before the war.
The term "Mace" came into being because it was the brand-name invented by one of the first American manufacturers of CN aerosol sprays. Subsequently, in the United States, Mace became synonymous with tear-gas sprays in the same way that Kleenex has become strongly associated with facial tissues (a phenomenon known as a genericized trademark ).
This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.
Donald Trump and some of his supporters are claiming authorities did not use tear gas against people in a crackdown outside the White House this week. AP FACT CHECK: Trump denies tear gas use ...
Chloroacetone is a chemical compound with the formula C H 3 COCH 2 Cl. At STP it is a colorless liquid with a pungent odor. [3] On exposure to light, it turns to a dark yellow-amber color. [4] It was used as a tear gas in World War I. [5]
Crawford was photographed throwing a flaming tear gas canister in an image broadcast widely during the months of unrest that followed the fatal shooting of Michael Brown Jr. by a police officer.