Disulfide, ethyl 1-methylethyl
- Formula: C5H12S2
- Molecular weight: 136.279
- IUPAC Standard InChIKey: PUUCPZKSTXFGOC-UHFFFAOYSA-N
- CAS Registry Number: 53966-36-2
- 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: 2-Methyl-3,4-dithiahexane; Ethyl isopropyl disulfide; Disulfide, ethyl isopropyl; Ethyl i-propyl disulfide; Ethyl 1-methylethyl disulfide
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Phase change 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:
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 | 438. | K | N/A | Mcallan, Cullum, et al., 1951 | Uncertainty assigned by TRC = 1.5 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
42.5 | 384. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 369. to 426. K.; AC |
42.9 | 378. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 363. to 427. K. See also White, Barnard--Smith, et al., 1952.; AC |
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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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. |
---|---|
Origin | H.J. MOECKEL & J. WEISS, HAHN-MEITNER-INST. BERLIN, W. G |
NIST MS number | 75505 |
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
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon M | 130. | 985. | Garbuzov, Misharina, et al., 1985 | He or N2, Chromosorb W, AW-DMCS; Column length: 2.1 m |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1319. | Nielsen, Larsen, et al., 2004 | 30. m/0.25 mm/0.25 μm, He, 45. C @ 10. min, 6. K/min, 240. C @ 30. min |
Capillary | DB-Wax | 1319. | Nielsen, Larsen, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 40. C @ 10. min, 6. K/min, 240. C @ 30. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 970. | Vinogradov, 2004 | Program: not specified |
Capillary | BPX-5 | 984. | Madruga, Arruda, et al., 2000 | 50. m/0.32 mm/0.50 μm, Helium; Program: 40 0C (5 min) 20 0C/min -> 60 0C (5 min) 4 0C/min -> 250 0C (10 min) |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Mcallan, Cullum, et al., 1951
Mcallan, D.T.; Cullum, T.V.; Dean, R.A.; Fidler, F.A.,
The Preparation and Properties of Sulfur Compounds Related to Petroleum I. The Dialkyl Sulfides and Disulfides,
J. Am. Chem. Soc., 1951, 73, 3627-32. [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]
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]
White, Barnard--Smith, et al., 1952
White, P.T.; Barnard--Smith, D.G.; Fidler, F.A.,
Vapor Pressure--Temperature Relationships of Sulfur Compounds Related to Petroleum,
Ind. Eng. Chem., 1952, 44, 6, 1430-1438, https://doi.org/10.1021/ie50510a064
. [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]
Nielsen, Larsen, et al., 2004
Nielsen, G.S.; Larsen, L.M.; Poll, L.,
Impact of blanching and packaging atmosphere on the formation of aroma compounds during long-term frozen storage of leek (Allium ampeloprasum Var. Bulga) slices,
J. Agric. Food Chem., 2004, 52, 15, 4844-4852, https://doi.org/10.1021/jf049623c
. [all data]
Nielsen, Larsen, et al., 2003
Nielsen, G.S.; Larsen, L.M.; Poll, L.,
Formation of aroma compounds and lipoxygenase (EC 1.13.11.12) activity in unblanced leek (Allium ampeloprasum Var. Bulga) slices during long-term frozen storage,
J. Agric. Food Chem., 2003, 51, 7, 1970-1976, https://doi.org/10.1021/jf020921o
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Madruga, Arruda, et al., 2000
Madruga, M.S.; Arruda, S.G.B.; Narain, N.; Souza, J.G.,
Castration and slaughter age effects on panel assessment and aroma compounds of the mestico goat meat,
Meat Sci., 2000, 56, 2, 117-125, https://doi.org/10.1016/S0309-1740(00)00025-5
. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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