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Names | |||
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Preferred IUPAC name
(Methyldisulfanyl)methane[1] | |||
Other names
Dimethyl disulfide[1]
Methyl disulfide Methyldisulfide Dimethyldisulfide Methyldithiomethane 2,3-Dithiabutane | |||
Identifiers | |||
3D model (JSmol)
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Abbreviations | DMDS | ||
ChEBI | |||
ChemSpider | |||
ECHA InfoCard | 100.009.883 | ||
PubChem CID
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UNII | |||
CompTox Dashboard (EPA)
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Properties | |||
CH3SSCH3 | |||
Molar mass | 94.19 g·mol−1 | ||
Appearance | Colorless liquid | ||
Density | 1.06 g/cm3[2] | ||
Melting point | −85 °C (−121 °F; 188 K)[2] | ||
Boiling point | 110 °C (230 °F; 383 K)[2] | ||
2.5 g/L (20 °C)[2] | |||
Vapor pressure | 3.8 kPa (at 25 °C) Arkema data sheet | ||
Hazards | |||
Flash point | 15 °C (59 °F; 288 K)[2] | ||
370 °C (698 °F; 643 K)[2] | |||
Lethal dose or concentration (LD, LC): | |||
LD50 (median dose)
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190 mg/kg (oral, rat)[3] | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.