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Dimethylmercury
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==Use== Dimethylmercury has few practical applications because of the risks involved. It has been studied for reactions involving bonding [[methylmercury]] cations to target molecules, forming potent [[bactericide]]s, but methylmercury's [[bioaccumulation]] and ultimate toxicity has led to it being largely abandoned in favor of the less toxic [[ethylmercury]] and [[diethylmercury]] compounds, which perform a similar function without the bioaccumulation hazard.{{citation needed|date=January 2025}} In [[toxicology]], it still finds limited use as a reference toxin. It is also used to calibrate [[NMR spectroscopy|NMR]] instruments for detection of mercury (Ξ΄ 0 ppm for <sup>199</sup>Hg NMR), although diethylmercury and less toxic mercury salts are now preferred.<ref>{{cite web |url=http://www.chem.northwestern.edu/~ohallo/HgNMRStandards/ |title=<sup>199</sup>Hg Standards |date=1998-03-10 |last1=O'Halloran |first1=T. V. |last2=Singer |first2=C. P. |publisher=Northwestern University |access-date=2021-01-20 |url-status=dead |archive-url=https://web.archive.org/web/20050514072706/http://www.chem.northwestern.edu/~ohallo/HgNMRStandards/ |archive-date=2005-05-14}}</ref><ref>{{cite web |title=(Hg) Mercury NMR |last=Hoffman |first=R. |date=2011-08-01 |url=http://chem.ch.huji.ac.il/nmr/techniques/1d/row6/hg.html |publisher=The Hebrew University |location=Jerusalem |access-date=2021-01-29}}</ref><ref>{{cite web |url=http://orise.orau.gov/files/reacts/aoo-course-handouts/Module-6-Terrorism-by-Fear-and-Uncertainty-Delayed-Toxic-Syndromes.pdf |title=Delayed Toxic Syndromes |work=Terrorism by Fear and Uncertainty |publisher=[[Oak Ridge Associated Universities|ORAU]] |access-date=2021-01-29 |archive-url=https://web.archive.org/web/20120423091321/http://orise.orau.gov/files/reacts/aoo-course-handouts/Module-6-Terrorism-by-Fear-and-Uncertainty-Delayed-Toxic-Syndromes.pdf |archive-date=2012-04-23 |url-status=dead }}</ref> Around 1960, Phil Pomerantz, a man working at the [[Bureau of Naval Weapons]], suggested that dimethylmercury be used as a fuel mix with [[red fuming nitric acid]].<ref name=Ignition162 /> This was never done, although it did lead to testing a [[red fuming nitric acid]]-[[unsymmetrical dimethylhydrazine]] rocket with elemental mercury being injected into the combustion chamber at the [[Naval Ordnance Test Station]].<ref name="Ignition162">{{cite book |last=Clark |first=John Drury |title=Ignition! |date=2018-05-23 |publisher=Rutgers University Press Classics |isbn=978-0-8135-9583-2 |publication-place=New Brunswick |pages=177β179}}</ref>
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