Methanethiol

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Condensed phase thermochemistry 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:
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
Δfliquid-11.15 ± 0.13kcal/molCcrGood, Lacina, et al., 1961ALS
Quantity Value Units Method Reference Comment
Δcliquid-363.47 ± 0.12kcal/molCcrGood, Lacina, et al., 1961Reanalyzed by Cox and Pilcher, 1970, Original value = -363.0 ± 0.12 kcal/mol; ALS
Quantity Value Units Method Reference Comment
liquid39.011cal/mol*KN/ARussell, Osborne, et al., 1942DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
21.28280.Russell, Osborne, et al., 1942T = 15 to 280 K.; DH

Henry's Law 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 by: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference Comment
0.202800.MN/A 
0.71 EN/ACalculated molecular structure relationship.
0.393100.MN/A 
0.261600.XN/A 
0.33 MN/A 

Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 86

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UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Bol'shakov, et al., 1969
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 20091
Instrument unknown
Boiling point 5.9

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

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Column type Active phase Temperature (C) I Reference Comment
PackedSE-3042.400.Rudenko, Mal'tsev, et al., 1985Column length: 3. m
PackedSqualane60.401.Zygmunt and Staszewski, 1981Chromosorb W DMCS; Column length: 2. m
PackedSqualane80.401.Zygmunt and Staszewski, 1981Chromosorb W DMCS; Column length: 2. m
PackedSqualane27.393.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.396.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.398.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane86.401.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryHP-5MS464.Bonaiti, Irlinger, et al., 200530. m/0.25 mm/0.25 μm, He; Program: 5C(8min) => 3C/min => 20C => 10C/min => 150C(10min)
CapillaryHP-5464.Engel, Baty, et al., 200230. m/0.25 mm/0.25 μm, He; Program: 5C(5min) => 3C/min => 20C => 5C/min => 100C 15C/min => 150C (5min)

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax643.Wu and Cadwallader, 200230. m/0.53 mm/1. μm, He, 40. C @ 5. min, 10. K/min, 200. C @ 30. min

Van Den Dool and Kratz RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySupelcowax-10694.Majcher and Jelen, 200730. m/0.25 mm/0.25 μm; Program: 40C(2min) => 40C/min => 60C(2min) => 5C/min => 240C
CapillarySupelcowax-10695.Majcher and Jelén, 200530. m/0.25 mm/0.25 μm, He; Program: 40C(2min) => 40C/min => 60(2min)C => 5C/min => 240C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-5473.Cais-Sokolinska, Majcher, et al., 201125. m/0.20 mm/0.33 μm, Helium, 50. C @ 1. min, 20. K/min; Tend: 240. C
CapillaryOV-101414.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C
CapillaryPONA414.Yang, Wang, et al., 200450. m/0.20 mm/0.50 μm, N2, 2. K/min; Tstart: 35. C; Tend: 170. C
CapillaryPONA460.Yang, Wang, et al., 200350. m/0.20 mm/0.50 μm, 2. K/min; Tstart: 30. C; Tend: 150. C
CapillaryDB-1430.Hansen, Buttery, et al., 199230. C @ 25. min, 4. K/min, 200. C @ 20. min; Column length: 60. m; Column diameter: 0.32 mm

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-1444.Chantreau, Rochat, et al., 200620. m/0.18 mm/0.18 μm; Program: not specified
CapillaryPONA461.Yang, Wang, et al., 200350. m/0.20 mm/0.50 μm; Program: not specified
CapillaryPolydimethyl siloxanes414.Zenkevich, 1998Program: not specified
CapillaryPolydimethyl siloxanes414.Zenkevich and Chupalov, 1996Program: not specified
CapillarySPB-1414.Nedjma and Maujean, 199530. m/0.32 mm/4. μm, H2; Program: 35(1)-10 -> 55-25 ->250
CapillaryDB-1460.Kawai, Ishida, et al., 199160. m/0.25 mm/0.25 μm; Program: not specified

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryZB-Wax688.Marin, Pozrl, et al., 200860. m/0.32 mm/0.50 μm, Helium, 40. C @ 5. min, 4. K/min, 220. C @ 5. min
CapillaryHP-Innowax640.Senger-Emonnot, Rochard, et al., 200660. m/0.32 mm/0.5 μm, He, 2. K/min, 220. C @ 10. min; Tstart: 60. C
CapillaryDB-Wax675.Spadone, Matthey-Doret, et al., 200660. m/0.25 mm/0.25 μm, Helium, 35. C @ 3. min, 6. K/min, 240. C @ 10. min
CapillaryTC-Wax702.Ishizaki, Tachihara, et al., 200560. m/0.25 mm/0.25 μm, N2, 3. K/min, 220. C @ 40. min; Tstart: 70. C
CapillaryTC-Wax700.Ishikawa, Ito, et al., 200460. m/0.25 mm/0.5 μm, He, 40. C @ 8. min, 3. K/min; Tend: 230. C
CapillaryDB-Wax690.Kumazawa and Masuda, 200360. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 210. C
CapillaryDB-Wax696.Kumazawa and Masuda, 200330. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 210. C
CapillaryDB-Wax655.Cadwallader and Heo, 200130. m/0.53 mm/1. μm, He, 40. C @ 5. min, 6. K/min, 225. C @ 30. min
CapillarySupelcowax-10668.Girard and Durance, 200060. m/0.25 mm/0.25 μm, He, 35. C @ 10. min, 4. K/min; Tend: 200. C
CapillaryDB-Wax679.Schlüter, Steinhart, et al., 199960. m/0.32 mm/0.25 μm, He, 34. C @ 3. min, 5. K/min, 200. C @ 10. min
CapillaryDB-Wax699.Umano, Hagi, et al., 1995He, 40. C @ 2. min, 2. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 200. C

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryTC-Wax702.Kraft and Switt, 2005Program: not specified
CapillaryTC-Wax702.Tachihara, Ishizaki, et al., 2004Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Good, Lacina, et al., 1961
Good, W.D.; Lacina, J.L.; McCullough, J.P., Methanethiol and carbon disulfide: Heats of combustion and formation by rotating-bomb calorimetry, J. Phys. Chem., 1961, 65, 2229-2231. [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]

Russell, Osborne, et al., 1942
Russell, H., Jr.; Osborne, D.W.; Yost, D.M., The heat capacity, entropy, heats of fusion, transition, and vaporization and vapor pressures of methyl mercaptan, J. Am. Chem. Soc., 1942, 64, 165-169. [all data]

Bol'shakov, et al., 1969
Bol'shakov, G.F., et al., Ultraviolet spectra of heteroorganic compounds, 1969, 83. [all data]

Rudenko, Mal'tsev, et al., 1985
Rudenko, G.I.; Mal'tsev, V.V.; Studenichnik, V.N.; Ustinov, E.P., Gas chromatographic analysis of volatile substances evolved into atmosphere from polymer materials, Zh. Anal. Khim., 1985, 40, 6, 1119-1127. [all data]

Zygmunt and Staszewski, 1981
Zygmunt, B.; Staszewski, R., Retention index and gas chromatographic-mass spectrometric identification of thiols in liquified gas, Chem. Anal. (Warsaw), 1981, 26, 109-113. [all data]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]

Bonaiti, Irlinger, et al., 2005
Bonaiti, C.; Irlinger, F.; Spinnler, H.E.; Engel, E., An iterative sensory procedure to select odor-active associations in complex consortia of microorganisms: application to the construction of a cheese model, J. Dairy Sci., 2005, 88, 5, 1671-1684, https://doi.org/10.3168/jds.S0022-0302(05)72839-3 . [all data]

Engel, Baty, et al., 2002
Engel, E.; Baty, C.; le Corre, D.; Souchon, I.; Martin, N., Flavor-active compounds potentially implicated in cooked cauliflower acceptance, J. Agric. Food Chem., 2002, 50, 22, 6459-6467, https://doi.org/10.1021/jf025579u . [all data]

Wu and Cadwallader, 2002
Wu, Y.-F.G.; Cadwallader, K.R., Characterization of the aroma of a meatlike process flavoring from soybean-based enzyme-hydrolyzed vegetable protein, J. Agric. Food Chem., 2002, 50, 10, 2900-2907, https://doi.org/10.1021/jf0114076 . [all data]

Majcher and Jelen, 2007
Majcher, M.A.; Jelen, H.H., Effect of Cysteine and Cystine Addition on Sensory Profile and Potent Odorants of Extruded Potato Snacks, J. Agric. Food Chem., 2007, 55, 14, 5754-5760, https://doi.org/10.1021/jf0703147 . [all data]

Majcher and Jelén, 2005
Majcher, M.A.; Jelén, H.H., Identification of potent odorants formed during the preparation of extruded potato snacks, J. Agric. Food Chem., 2005, 53, 16, 6432-6437, https://doi.org/10.1021/jf050412x . [all data]

Cais-Sokolinska, Majcher, et al., 2011
Cais-Sokolinska, D.; Majcher, M.; Pikul, J.; Bielinska, S.; Czauderma, M.; Wojtowski, J., The effect of Camelia sativa cake diet supplementation on sensory and volatile profiles of ewe's milk, African J. Biotechnol., 2011, 10, 37, 7245-7252. [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Yang, Wang, et al., 2004
Yang, Y.; Wang, Z.; Zong, B.; Yang, H., Determination of sulfur compounds in fluid catalytic cracking gasoline by gas chromatography with a sulfur chemiluminiscence detector, Chin. J. Chromatogr., 2004, 22, 3, 216-219. [all data]

Yang, Wang, et al., 2003
Yang, Y.-T.; Wang, Z.; Han. J.-H.; Tian, H.-P.; Yang, H.-Y., Determination of sulfur compounds in gasoline fraction of microreactor products by gas chromatography - Atomic emission detector, Petrochemical Technology (Shiyou Huagong), 2003, 32, 11, 995-998. [all data]

Hansen, Buttery, et al., 1992
Hansen, M.; Buttery, R.G.; Stern, D.J.; Cantwell, M.I.; Ling, L.C., Broccoli storage under low-oxygen atmosphere: Identification of higher boiling volatiles, J. Agric. Food Chem., 1992, 40, 5, 850-852, https://doi.org/10.1021/jf00017a029 . [all data]

Chantreau, Rochat, et al., 2006
Chantreau, A.; Rochat, S.; de Saint Laumer, J.-Y., Re-investigation of sulfur impact odorants in roast beef using comprehensive two-dimensional GC-TOF-MS and the GC-SNIF, Developments Food. Sci., 2006, 43, 601-604. [all data]

Zenkevich, 1998
Zenkevich, I.G., The Principle of Structural Analogy in the Calculation of Gas Chromatographic Retention Indices using Physico-Chemical Constants of Organic Compounds, Zh. Anal. Khim. (Rus.), 1998, 53, 1, 43-49. [all data]

Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A., New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments, Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]

Nedjma and Maujean, 1995
Nedjma, M.; Maujean, A., Improved chromatographic analysis of volatile sulfur compounds by the static headspace technique on water-alcohol solutions and brandies with chemiluminescence detection, J. Chromatogr. A, 1995, 704, 2, 495-502, https://doi.org/10.1016/0021-9673(95)00218-C . [all data]

Kawai, Ishida, et al., 1991
Kawai, T.; Ishida, Y.; Kakiuchi, H.; Ikeda, N.; Higashida, T.; Nakamura, S., Flavor components of dried squid, J. Agric. Food Chem., 1991, 39, 4, 770-777, https://doi.org/10.1021/jf00004a031 . [all data]

Marin, Pozrl, et al., 2008
Marin, K.; Pozrl, T.; Zlatic, E.; Plestenjak, A., A new aroma index to determine the aroma quality of roasted and ground coffee during storage, Food Technol. Biotechnol., 2008, 46, 4, 442-447. [all data]

Senger-Emonnot, Rochard, et al., 2006
Senger-Emonnot, P.; Rochard, S.; Pellegrin, F.; George, G.; Fernandez, X.; Lizzani-Cuvelier, L., Odour active aroma compounds of sea fig (Microcosmus sulcatus), Food Chem., 2006, 97, 3, 465-471, https://doi.org/10.1016/j.foodchem.2005.05.026 . [all data]

Spadone, Matthey-Doret, et al., 2006
Spadone, J.-C.; Matthey-Doret, W.; Blank, I., Formation of methyl(methylthio)methyl disulfide in broccoli (Brassica oleracea (L.) var. italica) in Flavour Science: Recent Advances and Trends, Bredie, W.L.P.; Petersen, M.A., ed(s)., Elsevier, Amsterdam, 2006, 309-314. [all data]

Ishizaki, Tachihara, et al., 2005
Ishizaki, S.; Tachihara, T.; Tamura, H.; Yanai, T.; Kitahara, T., Evaluation of odour-active compounds in roasted shrimp (Sergia lucens Hansen) by aroma extract dilution analysis, Flavour Fragr. J., 2005, 20, 6, 562-566, https://doi.org/10.1002/ffj.1484 . [all data]

Ishikawa, Ito, et al., 2004
Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A., Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles, Flavour Fragr. J., 2004, 19, 3, 183-187, https://doi.org/10.1002/ffj.1322 . [all data]

Kumazawa and Masuda, 2003
Kumazawa, K.; Masuda, H., Investigation of the change in the flavor of a coffee drink during heat processing, J. Agric. Food Chem., 2003, 51, 9, 2674-2678, https://doi.org/10.1021/jf021025f . [all data]

Cadwallader and Heo, 2001
Cadwallader, K.R.; Heo, J., Aroma of roasted sesame oil: characterization by direct thermal desorption-gas chromatography-olfactometry and sample dilution analysis, Am. Chem. Soc. Symp. Ser., 2001, 782, 187-202. [all data]

Girard and Durance, 2000
Girard, B.; Durance, T., Headspace volatiles of sockeye and pink salmon as affected by retort process, Food Chem. Toxicol., 2000, 65, 1, 34-39. [all data]

Schlüter, Steinhart, et al., 1999
Schlüter, S.; Steinhart, H.; Schwarz, F.J.; Kirchgessner, M., Changes in the odorants of boiled carp fillet (Cyprinus carpio L.) as affected by increasing methionine levels in feed, J. Agric. Food Chem., 1999, 47, 12, 5146-5150, https://doi.org/10.1021/jf9902604 . [all data]

Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T., Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system, J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046 . [all data]

Kraft and Switt, 2005
Kraft, P.; Switt, K.A.D. (Eds), Perspectives in Flavor and Fragrance Research, Wiley-VCH, Weinheim, Germany, 2005, 251. [all data]

Tachihara, Ishizaki, et al., 2004
Tachihara, T.; Ishizaki, S.; Ishikawa, M.; Kitahara, T., Studies on the volatile compounds of roasted spotted shrimp, Chemistry Biodiversity, 2004, 1, 12, 2024-2033, https://doi.org/10.1002/cbdv.200490155 . [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Henry's Law data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References