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Law enforcement officials shy away from describing crowd-dispersing chemical tools as tear gas; it evokes police gassing citizens or the horrors of war. But giving those tools a more antiseptic ...
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.
From 12 June to 4 August 2019, police used 1000 tear gas canisters. Then, on the single day of 5 August, police fired more than 800 tear gas canisters in their operations throughout almost every district of the city. [22] In one instance, a tear gas canister was deployed indoors, in Kwai Fong station during a march, on
Law enforcement agencies use strategies such as tear gas because it is unlikely to kill someone compared to a gun, said Sid Heal, a retired commander with the Los Angeles Sheriff's Department.
Texas law makes it legal for an individual to possess a small, commercially sold container of pepper spray for personal self-defense. However, Texas law otherwise makes it illegal to carry a "Chemical dispensing device". [89] Virginia: Code of Virginia § 18.2-312. Illegal use of tear gas, phosgene, and other gases.
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.
Popular tear gases include the eye irritants ortho-chlorobenzylidene-malononitrile (CS gas), chloroacetophenone (CN gas), and dibenz (b,f)-1,4-oxazepine (CR gas). Among a long list of substances, these three have become of greater importance than the others because of their effectiveness and low risks when used.
Tear gas, classified by the United Nations as a chemical weapon, is so common that people often head to protests with gas masks or homemade solutions like a bandana soaked in water.