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(Chemistry) any of various highly toxic organic compounds of mercury that contain the complex CH3Hg-


(ˌmɛθ əlˈmɜr kyə ri)

any of several extremely toxic organometallic compounds, Hg(CH3)2, formed from metallic mercury by the action of microorganisms and capable of entering the food chain: used as seed disinfectants.
References in periodicals archive ?
Other answers including Franklin Veaux's very good one mention dimethylmercury.
Presented at the American Geophysical Union's Fall Meeting, the study revealed that mesoscale eddies within the California current are transporting the compound dimethylmercury from the ocean into the fog around San Francisco.
Tragically, she died in 1997 as the result of a laboratory accident in which a few drops of highly toxic liquid dimethylmercury penetrated her protective latex glove and caused rapidly progressive, fatal neurological impairment.
It leaches out of sediraents, washes in from rivers or is airborne in the form of volatile dimethylmercury (DMHg), which is degraded to MMHg by ultraviolet light.
Such reactions may involve dimethylmercury (DMHg), which is present in seawater at very low levels.
Now it did occur to me that if a country had 50 litres of dimethylmercury to play with, they wouldn't need to go to all the bother and expense of becoming a nuclear power anyway.