Dimethyl sulfone
- Formula: C2H6O2S
- Molecular weight: 94.133
- IUPAC Standard InChIKey: HHVIBTZHLRERCL-UHFFFAOYSA-N
- CAS Registry Number: 67-71-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Methane, sulfonylbis-; MSM; Methyl sulfone; Methylsulfonylmethane; Sulfone, dimethyl-; DMSO2; Sulphonylbismethane; Dimethyl sulphone; Sulfonylbismethane; Methane, 1,1'-sulfonylbis-; NSC 63345; 54841-73-5
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 511. | K | N/A | Lee, 1986 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 382. ± 3. | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 382. | K | N/A | Clever and Westrum, 1970 | Uncertainty assigned by TRC = 0.06 K; TRC |
Ttriple | 382.01 | K | N/A | Clever and Westrum, 1970 | Uncertainty assigned by TRC = 0.04 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 77. ± 3. | kJ/mol | V | Busfield, Mackle, et al., 1961 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
56.0 | 404. | A | Stephenson and Malanowski, 1987 | Based on data from 387. to 523. K. See also Dykyj, 1970 and Dykyj, Svoboda, et al., 1999.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
18.301 | 382.01 | Clever and Westrum, 1970, 2 | DH |
18.28 | 382. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
47.91 | 382.01 | Clever and Westrum, 1970, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lee, 1986
Lee, F.-M.,
Use of Organic Sulfones as the Extractive Distillation SOlvent for Aromatic Recovery,
Ind. Eng. Chem. Process Des. Dev., 1986, 25, 949-57. [all data]
Clever and Westrum, 1970
Clever, H.L.; Westrum, E.F.,
Dimethyl sulfoxide and dimethyl sulfone. Heat capacities, enthalpies of fusion, and thermodynamic properties.,
J. Phys. Chem., 1970, 74, 1309. [all data]
Busfield, Mackle, et al., 1961
Busfield, W.K.; Mackle, H.; O'Hare, P.A.G.,
Studies in the thermochemistry of sulphones. Part 2 - The standard heats of formation of sulphones of the type RSO2CH3,
Trans. Faraday Soc., 1961, 57, 1054-1057. [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]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Clever and Westrum, 1970, 2
Clever, H.L.; Westrum, E.F., Jr.,
Dimethylsulfoxide and dimethylsulfone. Heat capacities, enthalpies of fusion, and thermodynamic properties,
J. Phys. Chem., 1970, 74, 1309-1317. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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