Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Structures of two main types of complexes formed by methylmercury. X− = anion, L = neutral Lewis base.
Methylmercury (sometimes methyl mercury) is an organometallic cation with the formula [CH3Hg]+. It is the simplest organomercury compound. Methylmercury is extremely toxic, and its derivatives are the major source of organic mercury for humans. It is a bioaccumulative environmental toxicant with a 50-day half-life.[1][clarification needed]
Methylmercury is the causative agent of the infamous Minamata disease.
^Halliday, Tim; Davey, Basiro (2007). Water and health in an overcrowded world. Oxford: Oxford University Press. pp. 79, 80, 95. ISBN 9780199237302.
Methylmercury (sometimes methyl mercury) is an organometallic cation with the formula [CH3Hg]+. It is the simplest organomercury compound. Methylmercury...
hearing, or trouble seeing. High-level exposure to methylmercury is known as Minamata disease. Methylmercury exposure in children may result in acrodynia (pink...
shellfish concentrate mercury in their bodies, often in the form of methylmercury, a highly toxic organomercury compound. This element is known to bioaccumulate...
Prefecture, Japan, in 1956, hence its name. It was caused by the release of methylmercury in the industrial wastewater from a chemical factory owned by the Chisso...
compound was first prepared by George Buckton in 1857 by a reaction of methylmercury iodide with potassium cyanide: 2 CH3HgI + 2 KCN → Hg(CH3)2 + 2 KI +...
amounts in seawater, it is absorbed by algae (generally as methylmercury). Methylmercury is one of the most harmful mercury molecules. It is efficiently...
Commercial seeds are sometimes treated with toxic methylmercury (although the use of methylmercury has been banned in the US and the UK since the 1980s)...
harbor high levels of methylmercury, one of many toxins of marine pollution. Frequent or significantly large consumption of methylmercury can lead to developmental...
poisoning, specifically methylmercury poisoning, transmitted by the ingestion of contaminated fish from Minamata Bay. The methylmercury inside the contaminated...
methylmercury (MeHg) is a biologically toxic form that accumulates throughout aquatic environments in the northeastern United States. Methylmercury,...
can bioaccumulate in marine food chains in the form of highly toxic methylmercury which can cause health risks to human seafood consumers. According to...
been made by extrapolating from dose-response relationships for methylmercury. Methylmercury and ethylmercury distribute to all body tissues, crossing the...
oviparous species, including wetland birds and fish. Elevated dietary methylmercury levels can amplify the harm of selenium toxicity in oviparous species...
journal Environmental Toxicology & Chemistry showed that low doses of methylmercury, a potent neurotoxic pollutant, improved the hatching rate of mallard...
covalent.: p. 79 The toxicity of ethylmercury is well studied. Like methylmercury, ethylmercury distributes to all body tissues, crossing the blood–brain...
Brian A. & Kolka, Randall K. (2008). "Spatial Characteristics of Net Methylmercury Production Hot Spots in Peatlands" (PDF). Environmental Science and...
poison grain disaster was a mass methylmercury poisoning incident that began in late 1971. Grain treated with a methylmercury fungicide and never intended...
to them. In 2016, researchers from Harvard University suggested that methylmercury levels in fish would rise as a result of the project. After protests...
biomethylation of certain heavy metals. For example, the highly toxic methylmercury is produced by the action of methylcobalamin. In this role, methylcobalamin...
contamination. Mercury can then enter into the human food chain in the form of methylmercury. Mercury poisoning in humans causes incurable brain function damage...
elemental mercury into methylmercury by methylating oxidized mercury to methylmercury. This newly transformed form of mercury (methylmercury) then begins to...
acid. Commercial morning glory seeds are commonly treated with toxic methylmercury, which serves as a preservative and a cumulative neurotoxic poison that...
was exposed to methylmercury largely from contaminated pilot whale meat, which contained very high levels of about 2 mg methylmercury/kg. However, the...
Mercury methylation is the process of forming methylmercury (MeHg). The methylation of mercury can occur abiotically or biotically. Biotically, the primary...
in 2010 showing a level of 0.001 parts per million, analysing only methylmercury. Preparing shrimp for consumption usually involves removing the head...
Environmental Studies and; Methylmercury, Committee on the Toxicological Effects of (2000). Toxicological Effects of Methylmercury. National Academies Press...
S. Fish and Wildlife Service researchers discovered a high level of methylmercury in the Great Salt Lake with 25 nanograms per liter of water. For comparison...
micro-organisms can produce organic mercury, particularly methylmercury, from other mercury forms. Methylmercury can accumulate in living organisms and reach high...
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