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Organometallic compounds

Dimethylmercury

Also known as Mercury, dimethyl-, Dimethyl mercury, Mercury, dimethyl

CAS 593-74-8Formula C2H6HgMolar mass 230.66 g/molEC 209-805-3
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Serious health hazard, Hazardous to the environment
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Dimethylmercury chemical structure, C2H6Hg, CAS 593-74-8
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Melting point
-42 °C
Boiling point
92 °C
Density
Density (at 20 °C): 3.05 g/cm³
Flash point
5 °C
HS code
285210
Category
Organometallic compounds
UN number
UN 2929
Illustrative photo, a closed 1000 litre IBC tote in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Dimethylmercury?

Plain description, key identifiers and synonyms

Dimethylmercury is a methylmercury compound. It has a role as a NMR chemical shift reference compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dimethylmercury
CAS number
593-74-8 CAS number cross-checked
EC number
209-805-3
Molecular formula
C2H6Hg
UNII
C60TQU15XY
InChIKey
ATZBPOVXVPIOMR-UHFFFAOYSA-N
InChI
InChI=1S/2CH3.Hg/h2*1H3;
SMILES (canonical and isomeric)
C[Hg]C

Synonyms

  • Mercury, dimethyl-
  • Dimethyl mercury
  • Mercury, dimethyl
  • Mercurius methylenus
  • (HgMe2)
  • [HgMe2]
  • Quecksilbercarbid
  • Dimethylmercury, 95%
  • (CH3)2Hg
  • 4-04-00-04426 (Beilstein Handbook Reference)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.
Melting point
-42 °Cexp.
Boiling point
92 °Cexp.
Density
Density (at 20 °C): 3.05 g/cm³exp.
Flash point
5 °Cexp.
Solubility
Solubility in water: noneexp.
Vapour pressure
Vapor pressure, kPa at 20 °C: 8.8exp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
230.66 g/molcalc.
Exact mass
232.0176 Dacalc.
LogP (octanol/water)
1.17calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H300Fatal if swallowed.
  • H310Fatal in contact with skin.
  • H330Fatal if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (21)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2929
Transport hazard class
6.1
Packing group
I

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Dimethylmercury suppliers

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Dimethylmercury price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • NMR chemical shift reference compound
  • reference compound

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 080-007-00-3[1]

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dimethylmercury is traded under.

HS 2852.10Indicative HS code

Chemically defined

World exports in 2024
$7.97M
−4.4% vs 2023, imports $9.26M
2019 to 2024
Top exporters
  1. Germany34.6%
  2. Thailand18.6%
  3. India * partner reported15.5%
Top importers
  1. Germany19.2%
  2. Vietnam * partner reported17.4%
  3. Thailand6.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Dimethylmercury is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dimethylmercury, based on the data on this page

What is Dimethylmercury?

Dimethylmercury is a methylmercury compound. It has a role as a NMR chemical shift reference compound.

Is Dimethylmercury hazardous?

Dimethylmercury carries the GHS signal word "Danger". Main hazards: fatal if swallowed, fatal in contact with skin, fatal if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

Guides for buyers

Practical guides that help when you source, ship or handle Dimethylmercury

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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