Tetrachlorodinitroethane
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Tetrachlorodinitroethane is a chlorinated nitroalkane produced by nitration of tetrachloroethylene with dinitrogen tetroxide or fuming nitric acid. It is a powerful lachrymatory agent and pulmonary agent that is six times more toxic than chloropicrin. Tetrachlorodinitroethane may be used as a fumigant.
Tetrachlorodinitroethane was discovered by Hermann Kolbe in 1869 by reacting tetrachloroethylene and dinitrogen tetroxide.