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Dimethylmercury information


Dimethylmercury
Skeletal formula of dimethylmercury with all hydrogens added
Space-filling model of dimethylmercury
Names
IUPAC name
Dimethylmercury[1]
Other names
Mercury dimethanide
Identifiers
CAS Number
  • 593-74-8 ☒N
3D model (JSmol)
  • Interactive image
Beilstein Reference
3600205
ChEBI
  • CHEBI:30786 checkY
ChemSpider
  • 11155 checkY
ECHA InfoCard 100.008.916 Edit this at Wikidata
EC Number
  • 209-805-3
Gmelin Reference
25889
MeSH dimethyl+mercury
PubChem CID
  • 11645
RTECS number
  • OW3010000
UNII
  • C60TQU15XY checkY
UN number 2929
CompTox Dashboard (EPA)
  • DTXSID5047742 Edit this at Wikidata
InChI
  • InChI=1S/2CH3.Hg/h2*1H3; checkY
    Key: ATZBPOVXVPIOMR-UHFFFAOYSA-N checkY
SMILES
  • C[Hg]C
Properties
Chemical formula
C
2
H
6
Hg

(CH
3
)
2
Hg
Molar mass 230.66 g mol−1
Appearance Colorless liquid
Odor Sweet
Density 2.961 g mL−1
Melting point −43 °C (−45 °F; 230 K)
Boiling point 93 to 94 °C (199 to 201 °F; 366 to 367 K)
Refractive index (nD)
1.543
Thermochemistry
Std enthalpy of
formation fH298)
57.9–65.7 kJ mol−1
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Extremely flammable, extremely poisonous, persistent environmental pollutant
GHS labelling:
Pictograms
GHS06: ToxicGHS08: Health hazardGHS02: FlammableGHS09: Environmental hazard
Signal word
Danger
Hazard statements
H224, H300+H310+H330, H372, H410
Precautionary statements
P260, P264, P273, P280, P284, P301+P310
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxideSpecial hazards (white): no code
4
4
3
Flash point 5 °C (41 °F; 278 K)
Related compounds
Related compounds
  • Dimethylzinc
  • Dimethylcadmium
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Dimethylmercury is an extremely toxic organomercury compound with the formula (CH3)2Hg. A volatile, flammable, dense and colorless liquid, dimethylmercury is one of the strongest known neurotoxins. Less than 0.1 mL is capable of inducing severe mercury poisoning resulting in death.[2]

  1. ^ "dimethylmercury – Compound Summary". PubChem Compound. US: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 29 January 2021.
  2. ^ "OSHA Hazard Information Bulletins – Dimethylmercury". OSHA.gov. Retrieved 29 January 2021.

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Dimethylmercury

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Dimethylmercury is an extremely toxic organomercury compound with the formula (CH3)2Hg. A volatile, flammable, dense and colorless liquid, dimethylmercury...

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Karen Wetterhahn

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accidental exposure to the extremely toxic organic mercury compound dimethylmercury (Hg(CH3)2). Protective gloves in use at the time of the incident provided...

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Rubber glove

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poisoning after a few drops of dimethylmercury landed on her glove during an experiment. Tests later showed that dimethylmercury, a small apolar molecule,...

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Organomercury chemistry

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methylmercury(II) cation, CH3Hg+; ethylmercury(II) cation, C2H5Hg+; dimethylmercury, (CH3)2Hg, diethylmercury and merbromin ("Mercurochrome"). Thiomersal...

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Diethylmercury

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permanent brain damage. It is, however, considerably less toxic than dimethylmercury. Diethylmercury can be obtained from the reaction between ethylmagnesium...

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Ergotism

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from the original on May 22, 2016. Cotton, Simon (October 2003), "Dimethylmercury and Mercury Poisoning", Molecule of the Month, UK: School of Chemistry...

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Median lethal dose

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napellus and related species) rat, intraveneous 80 μg/kg 0.000080 Dimethylmercury (Hg(CH3)2) human, transdermal 50 μg/kg 0.000050 TBPO (t-Butyl-bicyclophosphate)...

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Pyrophoricity

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trimethylaluminium, triethylaluminium, butyllithium), with a few exceptions (i.e. dimethylmercury and tetraethyllead) Copper fuel cell catalysts (zinc oxide, aluminium...

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methylmercury (MeHg+), dimethylmercury and diethylmercury are the only significantly neurotoxic forms. Diethylmercury and dimethylmercury are considered some...

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Glossary of chemical formulae

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anhydride 108-24-7 CH3Cl chloromethane methyl chloride 74-87-3 CH3HgCH3 dimethylmercury 593-74-8 CH3I iodomethane methyl iodide 74-88-4 CH3OCH3 dimethyl ether...

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Homoleptic

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for the production of the highly toxic forms of mercury (methyl- and dimethylmercury) in the environment. Nonrespiratory anaerobes use fermentation to generate...

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Georgi Markov

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which the victim had managed to take from the perpetrator, and found dimethylmercury; the reported cause of death was mercury poisoning. In 2016, police...

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causing brain and liver damage. The most dangerous mercury compound, dimethylmercury, is so toxic that even a few microliters spilled on the skin, or even...

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involves the protagonists hunting for red mercury to save an alien child. Dimethylmercury Fogbank Mercury(II) oxide Meson bomb Nuclear isomer Philosopher's stone...

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Dimethylcadmium

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18 °C (64 °F; 291 K) Related compounds Related compounds Dimethylzinc Dimethylmercury Except where otherwise noted, data are given for materials in their...

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List of highly toxic gases

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Dichlorosilane H2Cl2Si 4109-96-0 2500 (TQ) 4 W LC50: 1785-2092 ppm Dimethylmercury HgC2H6 593-74-8 4 Ethylene oxide (anhydrous) C2H4O 75-21-8 800 REL...

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List of unusual deaths

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his snoring". HeraldScotland. 9 March 1996. Retrieved 6 April 2021. "Dimethylmercury and Mercury Poisoning". Chm.bris.ac.uk. Archived from the original...

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Vegetative state

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Electrocution Choking Toxins such as uremia, ethanol, atropine, opiates, lead, dimethylmercury, endrin, parathion, and colloidal silver Physical trauma: Concussion...

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Iodomethane

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commercially available methyllithium. MeI can also be used to prepare dimethylmercury, by reacting 2 moles of MeI with a 2/1-molar sodium amalgam (2 moles...

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Sacramento River

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living organisms ionic mercury can transform into monomethylmercury and dimethylmercury. When exposed to sunlight the (di)methylmercury is photodegraded to...

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Canadian Reference Materials include some with methylmercury, e.g. DORM Dimethylmercury, mercury with a second methyl group Ethylmercury, a related cation...

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dialkylmagnesium compounds. Dimethylmagnesium can also be prepared by combining dimethylmercury and magnesium. The structure of this compound has been determined by...

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intraperitoneal) 68 mg/kg (mouse, oral) Related compounds Related compounds Dimethylmercury Mercury(II) chloride Mercury(I) chloride Methylmercuric dicyanamide...

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Organogallium chemistry

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by transmetallation, for example the reaction of gallium metal with dimethylmercury: 2Ga + 3Me2Hg → 2Me3Ga + 3 Hg or via organolithium compounds or Grignards:...

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