CN gas

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CN gas
IUPAC name	chloroacetophenone
Identifiers
CAS number	532-27-4
Properties
Molecular formula	C8H7ClO
Molar mass	154.59 g/mol
Melting point	26.8 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Not to be confused with hydrogen cyanide, HCN.

CN, or chloroacetophenone, is a substance used as a riot control agent. It has the molecular formula C₈H₇ClO. It was investigated, but not used, during the First and Second World Wars, and was used by United States forces in Vietnam. Because of its greater toxicity, it has largely been supplanted by CS gas.

CN is still supplied to paramilitary and police forces in a small pressurized aerosol can known as “Mace” or tear gas. Its use has fallen by the wayside as pepper spray works faster and disperses more quickly than CN.

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, Mace became synonymous with tear-gas sprays in the same way that Hoover has become strongly associated with vacuum cleaners.

Like CS gas, this compound irritates the mucous membranes (oral, nasal, conjunctival and tracheobronchial). Sometimes it can give rise to more generalized reactions such as syncope, temporary loss of balance and orientation. More rarely, cutaneous irritating outbreaks have been observed and allergic contact permanent dermatitis.Template:Weapon-stub

de:Chloracetophenonit:Gas CN ja:クロロアセトフェノン nl:CN-gas

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .