Benzenemethanethiol
- Formula: C7H8S
- Molecular weight: 124.203
- IUPAC Standard InChIKey: UENWRTRMUIOCKN-UHFFFAOYSA-N
- CAS Registry Number: 100-53-8
- 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: α-Toluenethiol; α-Mercaptotoluene; α-Toluolthiol; (Mercaptomethyl)benzene; Benzyl mercaptan; Benzylthiol; Phenylmethanethiol; Phenylmethyl mercaptan; Thiobenzyl alcohol; α-Tolyl mercaptan; Methanethiol, phenyl-; USAF ex-1509; Benzylhydrosulfide; NSC 41897; toluene-α-thiol
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.5 | PE | Frost, Herring, et al., 1972 | LLK |
8.85 | PE | Frost, Herring, et al., 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H7+ | 12.0 | SH | EI | Gowenlock, Kay, et al., 1963 | RDSH |
Mass spectrum (electron ionization)
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3729 |
NIST MS number | 233945 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon M | 130. | 1104. | Garbuzov, Misharina, et al., 1985 | He or N2, Chromosorb W, AW-DMCS; Column length: 2.1 m |
Packed | Apiezon M | 130. | 1104. | Golovnya, Garbuzov, et al., 1978 | Chromosorb W, AW/DMS; Column length: 2.1 m |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 1615. | Majcher and Jelen, 2007 | 30. m/0.25 mm/0.25 μm; Program: 40C(2min) => 40C/min => 60C(2min) => 5C/min => 240C |
Capillary | Supelcowax-10 | 1615. | Majcher and Jelén, 2005 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(2min) => 40C/min => 60(2min)C => 5C/min => 240C |
Capillary | DB-FFAP | 1626. | 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 | DB-5 | 1080. | Tellez, Khan, et al., 2002 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 240. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1067. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1631. | Vinogradov, 2004 | Program: not specified |
Capillary | DB-Wax | 1618. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Frost, Herring, et al., 1972
Frost, D.C.; Herring, F.G.; Katrib, A.; McDowell, C.A.; McLean, R.A.N.,
Photoelectron spectra of CH3SH, (CH3)2S, C6H5SH, and C6H5CH2SH; the bonding between sulfur and carbon,
J. Phys. Chem., 1972, 76, 1030. [all data]
Gowenlock, Kay, et al., 1963
Gowenlock, B.G.; Kay, J.; Majer, J.R.,
Electron impact studies of some sulphides and disulphides,
J. Chem. Soc. Faraday Trans., 1963, 59, 2463. [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., 1978
Golovnya, R.V.; Garbuzov, V.G.; Aerov, A.F.,
Gas chromatographic characterization of sulfur-containing compounds. 5. Thiophene, furan, and benzene derivatives,
Izv. Akad. Nauk SSSR Ser. Khim., 1978, 11, 2271-2274. [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]
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]
Tellez, Khan, et al., 2002
Tellez, M.R.; Khan, I.A.; Kobaisy, M.; Schrader, K.K.; Dayan, F.E.; Osbrink, W.,
Composition of the essential oil of Lepidium meyenii (Walp.),
Phytochemistry, 2002, 61, 2, 149-155, https://doi.org/10.1016/S0031-9422(02)00208-X
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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