Tetrachlorodinitroethane is a chlorinated nitroalkane produced by nitration of tetrachloroethylene with dinitrogen tetroxide or fuming nitric acid.[1][2][3] It's a powerful lachrymatory agent and pulmonary agent that is six times more toxic than chloropicrin.[3] Tetrachlorodinitroethane may be used as a fumigant.[4]
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