CS gas

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CS gas

a gas causing tears, salivation, and painful breathing, used in civil disturbances; ortho-chlorobenzal malononitrile. Formula: C6H4ClCH:C(CN)2
References in periodicals archive ?
The threat--and use--of chemical agents in the form of CS grenades kept students during the recent course on their toes and in their protective gear (which they appreciated, since most of the evenings were near freezing).
However, most CS grenades were used at close range to clear huts, bunkers, and tunnels.
An entire box (25) of M7 CS grenades was prepared by pulling the pins (the spoons were held in place by the bottom half of the shipping tubes), placing the grenades in a plywood box, strapping the box lid in place, and placing a time delay detonator on the closure strap.