Dimethyl sulfide

Formula: C₂H₆S
Molecular weight: 62.134
IUPAC Standard InChI: InChI=1S/C2H6S/c1-3-2/h1-2H3
IUPAC Standard InChIKey: QMMFVYPAHWMCMS-UHFFFAOYSA-N
CAS Registry Number: 75-18-3
Chemical structure:
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Isotopologues:
- Methane-d3,(methylthio)
Other names: Methane, thiobis-; Methyl sulfide; Dimethyl monosulfide; Dimethyl thioether; DMS; Methyl monosulfide; 2-Thiapropane; Dimethyl sulphide; Thiobismethane; (CH3)2S; Dimethylsulfid; Exact-S; Methyl sulphide; Methylthiomethane; Sulfure de methyle; 2-Thiopropane; UN 1164; Methyl thioether; Sulfide, methyl-; Methane, 1,1'-thiobis-; (Methylsulfanyl)methane
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Other data available:
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- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Condensed phase thermochemistry data

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Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_liquid	-65.4 ± 1.5	kJ/mol	Ccb	Voronkov, Klyuchnikov, et al., 1989
Δ_fH°_liquid	-65.44 ± 0.59	kJ/mol	Ccr	McCullough, Hubbard, et al., 1957
Δ_fH°_liquid	-60.2	kJ/mol	Cm	Douglas, 1946	At 291°K
Quantity	Value	Units	Method	Reference	Comment
Δ_cH°_liquid	-2181.5 ± 0.3	kJ/mol	Ccr	McCullough, Hubbard, et al., 1957	Reanalyzed by Cox and Pilcher, 1970, Original value = -2180.2 ± 0.3 kJ/mol

References

Go To: Top, Condensed phase thermochemistry data, Notes

Voronkov, Klyuchnikov, et al., 1989
Voronkov, M.G.; Klyuchnikov, V.A.; Kolabin, S.N.; Shvets, G.N.; Varusin, P.I.; Deryagina, E.N.; Korchevin, N.A.; Tsvetnitskaya, S.I., Thermochemical properties of diorganyl chalcogenides and dichalcogenides RM_nR(M = S, Se, Te; n = 1, 2)., Dokl. Phys. Chem. (Engl. Transl.), 1989, 307, 650-653, In original 1139. [all data]

McCullough, Hubbard, et al., 1957
McCullough, J.P.; Hubbard, W.N.; Frow, F.R.; Hossenlopp, I.A.; Waddington, G., Ethanethiol and 2-thiapropane: Heats of formation and isomerization; the chemical thermodynamic properties from 0 to 1000°K, J. Am. Chem. Soc., 1957, 79, 561-566. [all data]

Douglas, 1946
Douglas, T.B., Heats of formation of liquid methyl sulfoxide and crystalline methyl sulfone at 18°, J. Am. Chem. Soc., 1946, 68, 1072-1076. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, References

Symbols used in this document:

Δ_cH°_liquid Enthalpy of combustion of liquid at standard conditions

Δ_fH°_liquid Enthalpy of formation of liquid at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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Δ_cH°_liquid	Enthalpy of combustion of liquid at standard conditions
Δ_fH°_liquid	Enthalpy of formation of liquid at standard conditions