Dimethylmercury

Dimethylmercury
Skeletal formula of dimethylmercury with all hydrogens added
Space-filling model of dimethylmercury
Names
IUPAC name
Dimethylmercury[1]
Other names
Mercury dimethanide
Identifiers
3D model (JSmol)
3600205
ChEBI
ChemSpider
ECHA InfoCard 100.008.916 Edit this at Wikidata
EC Number
  • 209-805-3
25889
MeSH dimethyl+mercury
RTECS number
  • OW3010000
UNII
UN number 2929
  • InChI=1S/2CH3.Hg/h2*1H3; checkY
    Key: ATZBPOVXVPIOMR-UHFFFAOYSA-N checkY
  • C[Hg]C
Properties
C
2H
6Hg
(CH
3)
2Hg
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)
1.543
Thermochemistry
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:
GHS06: ToxicGHS08: Health hazardGHS02: FlammableGHS09: Environmental hazard
Danger
H224, H300+H310+H330, H372, H410
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
Other anions
Other cations
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.