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1,1'-Thiobisethane

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1,1'-Thiobisethane Basic information
1,1'-Thiobisethane Chemical Properties
  • Melting point:−100 °C(lit.)
  • Boiling point:90-92 °C(lit.)
  • Density 0.837 g/mL at 25 °C(lit.)
  • vapor pressure 105 mm Hg ( 37.7 °C)
  • refractive index n20/D 1.442(lit.)
  • FEMA 3825 | DIETHYL SULFIDE
  • Flash point:15 °F
  • solubility H2O: insoluble
  • form liquid
  • Specific Gravity0.837
  • Odor Threshold0.000033ppm
  • Water Solubility Miscible with alcohol, ethanol and ether. Slightly miscible with carbon tetrachloride. Immiscible with water.
  • JECFA Number454
  • Merck 14,3854
  • BRN 1696909
  • Stability:Stable. Highly flammable. Incompatible with strong oxidizing agents.
  • CAS DataBase Reference352-93-2(CAS DataBase Reference)
  • NIST Chemistry ReferenceDiethyl sulfide(352-93-2)
  • EPA Substance Registry SystemDiethyl sulfide (352-93-2)
Safety Information
MSDS
1,1'-Thiobisethane Usage And Synthesis
  • Chemical Propertiescolourless liquid
  • OccurrenceReported found in cabbage, sauerkraut, mustard, egg, chicken, beef, pork, beer (0.0002 to 0.0017 ppm), grape brandy (cognac, armagnac, weinbrand).
  • UsesSolvent for Anhydrous mineral salts; in plating baths for coating metals with gold or silver.
  • DefinitionChEBI: An ethyl sulfide compound having two ethyl groups attached to a sulfur atom.
  • Synthesis Reference(s)Tetrahedron Letters, 14, p. 3853, 1973 DOI: 10.1016/S0040-4039(01)87056-8
  • General DescriptionA colorless oily liquid with a garlic-like odor. Less dense than water. Flash point 20°F. Vapors heavier than air. May irritate skin and eyes. Used to make other chemicals.
  • Air & Water ReactionsHighly flammable. Slightly soluble in water.
  • Reactivity ProfileOrganosulfides, such as 1,1'-Thiobisethane, are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds may liberate hydrogen sulfide upon decomposition or reaction with an acid.
  • Health HazardMay cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
  • Fire HazardHIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
  • Safety ProfileMildly toxic by ingestion. A skin and eye irritant. A very dangerous fire hazard when exposed to heat, flame, or sparks; can react vigorously with oxidizers. Reacts with water, steam, acids, or acid fumes to produce toxic and flammable vapors. To fight fire, use water spray or mist, dry chemical, CO2, foam. When heated to decomposition it yields highly toxic fumes of SOx. See also SULFIDES.
  • Purification MethodsWash the sulfide with aqueous 5% NaOH, then water, dry with CaCl2 and distil it from sodium. It can also be dried with MgSO4 or silica gel. Alternative purification is via the Hg(II) chloride complex [(Et)2S.2HgCl2] (see dimethyl sulfide). [Beilstein 1 IV 1394.]
1,1'-Thiobisethane Preparation Products And Raw materials
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