Ethanethioic acid, S-(1-methylethyl) ester
- Formula: C5H10OS
- Molecular weight: 118.197
- IUPAC Standard InChIKey: XBSWGFUCFLITEY-UHFFFAOYSA-N
- CAS Registry Number: 926-73-8
- 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-isopropyl ester; Isopropyl thiolacetate; S-Isopropyl thioacetate; Ethanethioic acid S-(isopropyl) ester; CH3C(O)SCH(CH3)2
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Phase change data
Go To: Top, Reaction thermochemistry data, Gas Chromatography, References, Notes
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 398. | K | N/A | Dunbar and Bolstad, 1955 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.1 ± 0.05 | kcal/mol | C | Wadsö, Murto, et al., 1966 | AC |
ΔvapH° | 10.10 ± 0.05 | kcal/mol | C | Wadso, 1966 | ALS |
Reaction thermochemistry data
Go To: Top, Phase change data, Gas Chromatography, 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: H2O + C5H10OS = C2H4O2 + C3H8S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1.39 ± 0.07 | kcal/mol | Cm | Wadso, 1957 | liquid phase; Heat of hydrolysis |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon M | 130. | 796. | Garbuzov, Misharina, et al., 1985 | He or N2, Chromosorb W, AW-DMCS; Column length: 2.1 m |
Packed | Apiezon M | 130. | 796. | Golovnya, Garbuzov, et al., 1981 | Chromosorb W, AW/DMCS; Column length: 2.1 m |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Garbuzov, Misharina, et al., 1985
Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V.,
Gas chromatographic retention indices for sulphur(II)-containing organic substances,
J. Anal. Chem. USSR (Engl. Transl.), 1985, 40, 4, 576-586. [all data]
Golovnya, Garbuzov, et al., 1981
Golovnya, R.V.; Garbuzov, V.G.; Aérov, A.F.,
Comparison of the retention indices and differential molar free energies of solution for thiolic and carboxylic esters on gas-chromatographic columns with various polarities,
Izv. Akad. Nauk SSSR Ser. Khim., 1981, 10, 1877-1880. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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