S-Ethyl ethanethioate
- Formula: C4H8OS
- Molecular weight: 104.171
- IUPAC Standard InChIKey: APTGPWJUOYMUCE-UHFFFAOYSA-N
- CAS Registry Number: 625-60-5
- 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: Acetic acid, thio-, S-ethyl ester; Ethyl thiolacetate; S-Ethyl thioacetate; S-Ethyl thiolacetate; Ethanethioic acid, S-ethyl ester; CH3COSC2H5; Ethyl thioacetate
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, References, Notes
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 | -64.01 ± 0.21 | kcal/mol | Eqk | Guthrie, 1978 |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 389.6 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 386.9 | K | N/A | Dunbar and Bolstad, 1955 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 590.55 | K | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.2 K; by a static method; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 40.22 | atm | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.79 atm; by a static method; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.14 | mol/l | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.096 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9.56 ± 0.05 | kcal/mol | E | Guthrie, 1978 | ALS |
ΔvapH° | 9.56 ± 0.05 | kcal/mol | C | Wadsö, Murto, et al., 1966 | AC |
ΔvapH° | 9.56 ± 0.05 | kcal/mol | C | Wadso, 1966 | ALS |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
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
By formula: C4H8OS + H2O = C2H4O2 + C2H6S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -0.95 ± 0.06 | kcal/mol | Cm | Wadso, 1957 | liquid phase; Heat of hydrolysis |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Guthrie, 1978
Guthrie, J.P.,
Hydration of thioesters. Evaluation of the free-energy changes for the addition of water to some thioesters, rate-equilibrium correlations over very wide ranges in equilibrium constants, and a new mechanistic criterion,
J. Am. Chem. Soc., 1978, 100, 5892-5904. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Dunbar and Bolstad, 1955
Dunbar, R.E.; Bolstad, A.N.,
The Acetylation of Mercaptans with Ketene,
J. Am. Chem. Soc., 1955, 77, 4672. [all data]
Wilson, Wilson, et al., 1996
Wilson, L.C.; Wilson, H.L.; Wilding, W.V.; Wilson, G.M.,
Critical Point Measurements for Fourteen Compounds by a Static Method and a Flow Method,
J. Chem. Eng. Data, 1996, 41, 1252-4. [all data]
Wadsö, Murto, et al., 1966
Wadsö, Ingemar; Murto, Maija-Leena; Bergson, Göran; Ehrenberg, L.; Brunvoll, J.; Bunnenberg, E.; Djerassi, Carl; Records, Ruth,
Heats of Vaporization for a Number of Organic Compounds at 25 degrees C.,
Acta Chem. Scand., 1966, 20, 544-552, https://doi.org/10.3891/acta.chem.scand.20-0544
. [all data]
Wadso, 1966
Wadso, I.,
Acta Chem. Scand., 1966, 20, 544. [all data]
Wadso, 1957
Wadso, I.,
The heats of hydrolysis of some alkyl thiolesters,
Acta Chem. Scand., 1957, 11, 1745-1751. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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