Methyl Sulfide
Title: Methyl Sulfide
CAS Registry Number: 75-18-3
CAS Name: Thiobismethane
Additional Names: dimethyl sulfide
Molecular Formula: C2H6S
Molecular Weight: 62.13
Percent Composition: C 38.66%, H 9.73%, S 51.61%
Line Formula: (CH3)2S
Literature References: Metabolic product of many biosystems. Important flavor constituent in lager beer and in many cooked vegetables such as tomatoes and corn. Principal volatile sulfur compound in seawater; abundantly produced by marine algae. Prepn: V. Regnault, Ann. 34, 24 (1840); and properties: D. T. McAllan et al., J. Am. Chem. Soc. 73, 3627 (1951). Review of role in malting and brewing: C. J. Dickenson, Chem. Ind. 24, 896-898 (1979); B. J. Anness, C. W. Bamforth, J. Inst. Brew. 88, 244-252 (1982). Review of role in global sulfur cycle: P. S. Liss et al., Philos. Trans. R. Soc. London Ser. B 352, 159-169 (1997). Review of gas-phase chemistry: I. Barnes et al., Chem. Rev. 106, 940-975 (2006).
Properties: Flammable liquid; characteristic odor and flavor. mp -98.25°. bp 37.3°. d20 0.8483 g/ml; d25 0.8424 g/ml. nD20 1.4353; nD25 1.4319. Sol in alcohol, ether; sol in water at concentrations below 300 mM.
Melting point: mp -98.25°
Boiling point: bp 37.3°
Index of refraction: nD20 1.4353; nD25 1.4319
Density: d20 0.8483 g/ml; d25 0.8424 g/ml
Use: Sulfiding agent.

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