Dimethyl disulfide

Dimethyl disulfide (DMDS) is an organic chemical compound with the molecular formula CH3SSCH3. It is a flammable liquid with an unpleasant, garlic-like odor. The compound is colorless although impure samples often appear yellowish.

Dimethyl disulfide
Names
Preferred IUPAC name
(Methyldisulfanyl)methane
Other names
Dimethyl disulfide
Methyl disulfide
Methyldisulfide
Dimethyldisulfide
Methyldithiomethane
2,3-Dithiabutane
Identifiers
3D model (JSmol)
Abbreviations DMDS
ChEBI
ChemSpider
ECHA InfoCard 100.009.883
UNII
  • InChI=1S/C2H6S2/c1-3-4-2/h1-2H3 Y
    Key: WQOXQRCZOLPYPM-UHFFFAOYSA-N Y
  • InChI=1S/C2H6S2/c1-3-4-2/h1-2H3
  • S(SC)C
Properties
CH3SSCH3
Molar mass 94.19 g·mol−1
Appearance Colorless liquid
Density 1.06 g/cm3
Melting point −85 °C (−121 °F; 188 K)
Boiling point 110 °C (230 °F; 383 K)
2.5 g/L (20 °C)
Vapor pressure 3.8 kPa (at 25 °C) Arkema data sheet
Hazards
Flash point 15 °C (59 °F; 288 K)
370 °C (698 °F; 643 K)
Lethal dose or concentration (LD, LC):
190 mg/kg (oral, rat)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
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