- Formula: C5H12S
- Molecular weight: 104.214
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: GIJGXNFNUUFEGH-UHFFFAOYSA-N
- CAS Registry Number: 541-31-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Isoamyl mercaptan; Isoamyl sulfhydrate; Isopentyl mercaptan; 2-Methyl-4-butanethiol; 3-Methyl-1-butanethiol; 3-Methylbutanethiol; 3-Methyl-1-butylthiol; 3-Methylbutan-1-thiol; 3-methylbutane-1-thiol
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Condensed phase thermochemistry data
Go To: Top, References, Notes
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
|fH°liquid||-36.82 ± 0.28||kcal/mol||Ccr||Good, 1972||ALS|
|cH°liquid||-987.21 ± 0.26||kcal/mol||Ccr||Good, 1972||Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -987.10 ± 0.26 kcal/mol; ALS|
|S°liquid||71.341||cal/mol*K||N/A||Messerly, Finke, et al., 1974||DH|
Constant pressure heat capacity of liquid
|Cp,liquid (cal/mol*K)||Temperature (K)||Reference||Comment|
|47.880||298.15||Messerly, Finke, et al., 1974||T = 12 to 370 K.; DH|
Constant pressure heat capacity of solid
|Cp,solid (cal/mol*K)||Temperature (K)||Reference||Comment|
|22.40||103.||Messerly, Finke, et al., 1974||glass phase; T = 10 to 103 K.; DH|
Go To: Top, Condensed phase thermochemistry data, Notes
Good, W.D., Enthalpies of combustion of 18 organic sulfur compounds related to petroleum, J. Chem. Eng. Data, 1972, 17, 158-162. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Messerly, Finke, et al., 1974
Messerly, J.F.; Finke, H.L.; Todd, S.S., Low-temperature thermal studies on six organo-sulfur compounds, J. Chem. Thermodynam., 1974, 6, 635-657. [all data]
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Cp,solid Constant pressure heat capacity of solid S°liquid Entropy of liquid at standard conditions cH°liquid Enthalpy of combustion of liquid at standard conditions fH°liquid Enthalpy of formation of liquid at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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