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Revision as of 14:20, 9 July 2007
Cyanogen chloride is a chemical compound with the formula ClCN. This linear triatomic molecule is an easily condensed colorless gas at room temperature. More commonly enountered in the laboratory is cyanogen bromide, a room temperature solid, which is widely used in biochemical analysis and preparation.
Applications in synthesis
- for the preparation of sulfonyl cyanides.[1]
- to prepare chlorosulfonyl isocyanate, a useful reagent in organic synthesis.[2]
Safety
Also known as CK, cyanogen chloride is a highly toxic blood agent, once proposed for use in chemical warfare. It causes immediate injury upon contact with the eyes or respiratory organs. Symptoms of exposure are loss of consciousness, convulsions, paralysis, and death. It is especially dangerous because it is capable of penetrating the filters in gas masks, according to U.S. analysts. CK is unstable due to polymerization, sometimes with explosive violence[3].
Cyanogen chloride is listed in schedule 3 of the Chemical Weapons Convention: all production must be reported to the OPCW.
References
- ^ Vrijland, M. S. A. "Sulfonyl Cyanides: Methanesulfonyl Cyanide" Organic Syntheses, Collected Volume 6, p.727 (1988).
- ^ Graf, R. "Chlorosulfonyl Isocyanate" Organic Syntheses, Collected Volume 5, pages 226ff.
- ^ FM 3-8 Chemical Reference handbook; US Army; 1967
See also
External links
- NIOSH Emergency Response Card
- eMedicine article
- National Pollutant Inventory - Cyanide compounds fact sheet