Xylyl bromide is an irritant and lachrymatory agent. Methyl isocyanate is a colorless, poisonous, lachrymatory (tearing agent), flammable liquid. It has powerful lachrymatory and irritant effects. This lachrymatory liquid is moderately soluble in water and miscible in organic solvents. This colorless liquid is a lachrymatory agent and a precursor to other organic compounds. It is a colorless liquid with lachrymatory properties. It has a lachrymatory effect, like related compounds. Riot control agents (sometimes called RCAs) are non-lethal lachrymatory agents used for riot control. Guinea hen weed and honey garlic contain a similar lachrymatory factor. They are very toxic and tear-inducing (lachrymatory). "Lachrymatory bottles" are sold in shops today as small perfume and ornamental bottles. Certain lachrymatory agents, most notably tear gas, are often used by police to force compliance. CNS has the lachrymatory effects of chloroacetophenone and choking effects of chloropicrin.