O-chlorobenzylidene malononitrile,[(2-chlorophenyl)methylene]malononitrile
O-chlorobenzylidene malononitrile,[(2-chlorophenyl)methylene]malononitrile
[(2-chlorophenyl)methylene]malononitrile...

[(2-chlorophenyl)methylene]malononitrile, O-CHLOROBENZYLIDENE MALONONITRILE short as CS powder, it is a tear substance, as a main mat...

Product Specification:
  • CAS :

    2698-41-1

  • Application :

    lacrimator

  • UN :

    3448 Class 6.1 / PG II

  • MOLECULAR FORMULA :

    C10H5ClN2

  • CS content :

    99.3%

  • APPEARANCE :

    White Crystal with the odor of pepper

  • MELTING POINT :

    93.0—95.0℃

  • INSOLUBLE IN :

    WATER / AIR

  • SOLUBLE IN :

    METHYLENE CHLORIDE

  • DENSITY AT T.25℃ :

    0.16-0.33 gram/cm3

  • MOL. WT. :

    188.61

CS powder is the short form for 2-chlorobenzalmalononitrile (also called o-chlorobenzylidene malononitrile, [(2-Chlorophenyl)methylene]malononitrile) (chemical formula: C10H5ClN2), a cyanocarbon, is the defining component of a tear gas commonly referred to as CS gas, which is used as a riot control agent. Exposure causes a burning sensation and tearing of the eyes to the extent that the subject cannot keep his eyes open, and a burning irritation of the nose, mouth and throat mucous membranes causing profuse coughing, mucous nasal discharge, disorientation, and difficulty breathing, partially incapacitating the subject. CS gas is an aerosol of a volatile solvent (a substance that dissolves other active substances and that easily evaporates) and 2-chlorobenzalmalononitrile, which is a solid compound at room temperature. CS gas is generally accepted as being non-lethal. It was discovered by two Americans, Ben Corson and Roger Stoughton, at Middlebury College in 1928, and the chemical's name is derived from the first letters of the scientists' surnames.


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