o-chlorobenzylidene malononitrile

o-chlor·o·ben·zyl·i·dene mal·o·no·ni·trile

(ōr'thō-klōr-ō-bĕn-zili-dēn măl-ō'nō-nī'trīl')
A compound (NATO code CS) widely used as a lacrimator and riot-control agent.
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References in periodicals archive ?
We evaluated one such exposure: the intentional exposure to o-chlorobenzylidene malononitrile (CS) riot control agent during army mask confidence training.
Identification of compounds formed during low temperature thermal dispersion of encapsulated o-chlorobenzylidene malononitrile (CS riot control agent).
Examples are alpha-chloroacetophe none and o-chlorobenzylidene malononitrile (CS).
The five most frequently reported chemicals were carbon monoxide; ammonia; chlorine; o-chlorobenzylidene malononitrile (tear gas) and 2-chloroacetophenone (mace), or pepper spray; and hydrochloric acid.