Ethanethiol
- Formula: C2H6S
- Molecular weight: 62.134
- IUPAC Standard InChIKey: DNJIEGIFACGWOD-UHFFFAOYSA-N
- CAS Registry Number: 75-08-1
- 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: Ethyl hydrosulfide; Ethyl mercaptan; Ethyl sulfhydrate; Ethyl thioalcohol; Mercaptoethane; Thioethanol; Thioethyl alcohol; 1-Mercaptoethane; C2H5SH; Aethanethiol; Aethylmercaptan; Etantiolo; Ethaanthiol; Ethylmercaptaan; Ethylmerkaptan; Etilmercaptano; LPG ethyl mercaptan 1010; UN 2363; 1-Ethylthiol; NSC 93877
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Condensed phase thermochemistry data
Go To: Top, 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:
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 |
---|---|---|---|---|---|
ΔfH°liquid | -73.68 | kJ/mol | Ccr | McCullough, Hubbard, et al., 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -2173.2 ± 0.42 | kJ/mol | Ccr | McCullough, Hubbard, et al., 1957 | Reanalyzed by Cox and Pilcher, 1970, Original value = -2172.0 ± 0.42 kJ/mol; ALS |
ΔcH°liquid | -2164. | kJ/mol | Ccb | Berthelot, 1901 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 207.02 | J/mol*K | N/A | McCullough, Scott, et al., 1952 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
117.99 | 299.05 | McCullough, Scott, et al., 1952 | T = 14 to 315 K. Unsmoothed experimental datum.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Berthelot, 1901
Berthelot, M.,
Chimie Organique. - Nouvelles recherches sur l'isomerie des ethers sulfocyaniques,
Compt. Rend., 1901, 132, 57-58. [all data]
McCullough, Scott, et al., 1952
McCullough, J.P.; Scott, D.W.; Finke, H.L.; Gross, M.E.; Williamson, K.D.; Pennington, R.E.; Waddington, G.; Huffman, H.M.,
Ethanethiol (ethyl mercaptan): thermodynamic properties in the solid, liquid and vapor states. Thermodynamic functions to 1000K,
J. Am. Chem. Soc., 1952, 74, 2801-2804. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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