Ethanol, 2-mercapto-
- Formula: C2H6OS
- Molecular weight: 78.133
- IUPAC Standard InChIKey: DGVVWUTYPXICAM-UHFFFAOYSA-N
- CAS Registry Number: 60-24-2
- 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: β-Hydroxyethanethiol; β-Hydroxyethylmercaptan; β-Mercaptoethanol; Ethylene glycol, monothio-; Monothioethylene glycol; Monothioglycol; Thioethylene glycol; Thioglycol; Thiomonoglycol; 1-Ethanol-2-thiol; 1-Hydroxy-2-mercaptoethane; 1-Mercapto-2-hydroxyethane; 2-Hydroxy-1-ethanethiol; 2-Hydroxyethanethiol; 2-Hydroxyethyl mercaptan; 2-Mercapto-1-ethanol; 2-Mercaptoethanol; 2-Mercaptoethyl alcohol; 2-ME; Hydroxyethyl mercaptan; Mercaptoethanol; USAF EK-4196; 2-Thioethanol; Emery 5791; UN 2966; NSC 3723; 2-Sulfanylethanol; 2-Sulfanylethan-1-ol
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Phase change data
Go To: Top, Gas phase ion energetics 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 430.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 430.05 | K | N/A | Anonymous, 1958 | TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
430.7 | 0.976 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.9 | 308. | A | Stephenson and Malanowski, 1987 | Based on data from 293. to 440. K. See also Dykyj, 1970 and Dykyj, Svoboda, et al., 1999.; AC |
Gas phase ion energetics 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
View reactions leading to C2H6OS+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.1 | PE | Kimura, Katsumata, et al., 1981 | LLK |
9.65 | PE | Kimura, Katsumata, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH4S+ | 10.42 ± 0.05 | CH2O | EI | Holmes, Lossing, et al., 1983 | LBLHLM |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-FFAP | 1498. | Huynh-Ba, Matthey-Doret, et al., 2003 | 30. m/0.32 mm/0.25 μm; Program: 35C(2min) => 6C/min => 180C => 10C/min => 240C (10min) |
Capillary | DB-FFAP | 1498. | Huynh-Ba, Matthey-Doret, et al., 2003 | 30. m/0.32 mm/0.25 μm; Program: 35C(2min) => 6C/min => 180C => 10C/min => 240C (10min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 725. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-Sil 5 CB | 722. | Gros, Nizet, et al., 2011 | 50. m/0.32 mm/1.20 μm, Nitrogen; Program: 36 0C 20 0C/min -> 85 0C 1 0C/min -> 145 0C 3 0C/min -> 250 0C (30 min) |
Capillary | CP Sil 5 CB | 717. | Vermeulen and Collin, 2006 | 50. m/0.32 mm/1.2 μm; Program: 40 0C (4 min) 2 0C/min -> 132 0C 10 0C/min -> 250 0C (15 min) |
Capillary | CP Sil 5 CB | 717. | Vermeulen, Lejeune, et al., 2006 | 50. m/0.32 mm/1.2 μm; Program: 40C(4min) => 2C/min => 132C => 10C/min => 250C (15min) |
Capillary | SPB-1 | 724. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
Capillary | SPB-1 | 724. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | FFAP | 1538. | Gros, Nizet, et al., 2011 | 25. m/0.32 mm/0.30 μm, Nitrogen; Program: 36 0C 20 0C/min -> 85 0C 1 0C/min -> 145 0C 3 0C/min -> 250 0C (30 min) |
Capillary | CP-Wax 58CB | 1501. | Vermeulen and Collin, 2006 | 25. m/0.32 mm/0.30 μm; Program: 40 0C (4 min) 2 0C/min -> 132 0C 10 0C/min -> 250 0C (15 min) |
Capillary | FFAP | 1501. | Vermeulen, Lejeune, et al., 2006 | 25. m/0.32 mm/0.3 μm; Program: 40C(4min) => 2C/min => 132C => 10C/min => 250C (15min) |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Anonymous, 1958
Anonymous, X.,
Am. Pet. Inst. Res. Proj. 50, 1958, Unpublished, 1958. [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]
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]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Holmes, Lossing, et al., 1983
Holmes, J.L.; Lossing, F.P.; Terlouw, J.K.; Burgers, P.C.,
Novel gas-phase ions. The radical cations [CH2XH]+. (X = F, Cl, Br, I, OH, NH2, SH) and [CH2CH2NH3]+.,
Can. J. Chem., 1983, 61, 2305. [all data]
Huynh-Ba, Matthey-Doret, et al., 2003
Huynh-Ba, T.; Matthey-Doret, W.; Fay, L.B.; Rhlid, R.B.,
Generation of thiols by biotransformation of cysteine-aldehyde conjugates with Baker's yeast,
J. Agric. Food Chem., 2003, 51, 12, 3629-3635, https://doi.org/10.1021/jf026198j
. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Gros, Nizet, et al., 2011
Gros, J.; Nizet, S.; Collin, S.,
Occurence of odorant polyfunctional thiols in the Super Alpha Tomahawk Hop cultivar. Comparison with the thiol-rich Nelson Sauvin bitter variety,
J. Agric. Food Chem., 2011, 59, 16, 8853-8865, https://doi.org/10.1021/jf201294e
. [all data]
Vermeulen and Collin, 2006
Vermeulen, C.; Collin, S.,
Combinatorial Synthesis and Screening of Nover Odorants such as Polyfunctional Thiols,
Combinatorial Chem. High Throghput Screening, 2006, 9, 8, 583-590, https://doi.org/10.2174/138620706778249712
. [all data]
Vermeulen, Lejeune, et al., 2006
Vermeulen, C.; Lejeune, I.; Tran, T.T.H.; Collin, S.,
Occurrence of polyfunctional thiols in fresh lager beers,
J. Agric. Food Chem., 2006, 54, 14, 5061-5068, https://doi.org/10.1021/jf060669a
. [all data]
Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D.,
Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technicalseries1997-01-011.pdf. [all data]
Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J.,
Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning,
Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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