Tetraethyl sulphamide
- Formula: C8H20N2O2S
- Molecular weight: 208.322
- IUPAC Standard InChI: InChI=1S/C8H20N2O2S/c1-5-9(6-2)13(11,12)10(7-3)8-4/h5-8H2,1-4H3
- IUPAC Standard InChIKey: IYIAWAACGTUPCC-UHFFFAOYSA-N
- CAS Registry Number: 2832-49-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: N,N,N',N'-Tetraethylsulfamide
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Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -635.5 ± 9.9 | kJ/mol | Cm | Claydon and Mortimer, 1962 | Reanalyzed by Cox and Pilcher, 1970, Original value = -626.8 ± 9.6 kJ/mol |
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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 59.1 | 422. | A | Stephenson and Malanowski, 1987 | Based on data from 407. to 528. K. |
Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+ 2
= 4
+
By formula: C8H20N2O2S + 2C4H12ClN = 4C4H11N + Cl2O2S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 543.9 ± 7.1 | kJ/mol | Cm | Claydon and Mortimer, 1962 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 543.1 ± 7.1 kJ/mol |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Claydon and Mortimer, 1962
Claydon, A.P.; Mortimer, C.T.,
Heats of formation and bond energies. Part VIII. Diethylaminotrimethylsilane, NN'-dithiodiethylamine, NN'-thionylbisdiethylamine, and NN'-sulphurylbisdiethylamine,
J. Chem. Soc., 1962, 3212-3216. [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]
Notes
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- Symbols used in this document:
ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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