Dimethylmercury

Dimethylmercury (pronunciation: dye-meth-ill-mur-cure-ee) is a highly toxic, volatile liquid compound that is primarily used as a reference standard in nuclear magnetic resonance spectroscopy. It is one of the strongest known neurotoxins, with exposure leading to severe mercury poisoning.

Etymology

The term "Dimethylmercury" is derived from its chemical structure. The prefix "di-" is from Greek, meaning "two," referring to the two methyl groups (CH3) attached to a mercury (Hg) atom.

Synthesis

Dimethylmercury is synthesized through the reaction of mercury with methyl Grignard or methyl lithium. The process is hazardous due to the compound's extreme toxicity and volatility.

Toxicity

Dimethylmercury is highly toxic and can easily penetrate latex, PVC, and neoprene to rapidly absorb into the skin. It is a potent neurotoxin, causing severe neurological damage that often results in death. Notable cases of dimethylmercury poisoning include the death of Karen Wetterhahn, a chemistry professor who died after a few drops of the compound spilled onto her latex glove.

Safety

Due to its extreme toxicity, special precautions must be taken when handling dimethylmercury. It should only be used in a well-ventilated area, and direct skin contact should be avoided. Protective clothing, including respirators, gloves, and safety goggles, should be worn at all times.

Related Terms

External links

Medical encyclopedia article on Dimethylmercury
Wikipedia's article - Dimethylmercury

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Dimethylmercury