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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 ?
KEY WORDS: empirical research, environmental exposure, epidemiology, methylmercury compounds, prevention and control, public policy, seafood, toxicology.
Lockyer said methylmercury compounds have been listed under Proposition 65 as carcinogens since 1996, while methylmercury has been listed as a reproductive toxin since 1987.
More than 60,000 children are born each year in the United States with neurodevelopmental impairments caused by exposure in the womb to methylmercury compounds, according to new estimates by an expert panel convened by the National Academy of Sciences.