Disulfide, bis(1-methylethyl)

• Formula: C₆H₁₄S₂
• Molecular weight: 150.305
• IUPAC Standard InChI: InChI=1S/C6H14S2/c1-5(2)7-8-6(3)4/h5-6H,1-4H3 Copy

  
• IUPAC Standard InChIKey: LZAZXBXPKRULLB-UHFFFAOYSA-N Copy
• CAS Registry Number: 4253-89-8
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Isopropyl disulfide; Diisopropyl disulfide; (i-C3H7S)2; 2,5-Dimethyl-3,4-dithiahexane; Diisopropyl disulphide; bis(1-Methylethyl) disulphide; bis(1-methylethyl) disulphide (isopropyldisulphide); diisopropyl sulphide
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
  • References
  • Notes
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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:
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

Enthalpy of vaporization

Gas phase ion energetics 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IR 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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

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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Additional Data

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

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

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Normal alkane RI, non-polar column, temperature ramp

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

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

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]

Birch and Norris, 1925
Birch, S.F.; Norris, W.S.G.P., The Chemistry of Petroleum Part I. The Occurence of Compounds of Sulphur in the Liqht Distillate from the Crude Oil of Maindan-i-Naftun, J. Chem. Soc., 1925, 127, 898. [all data]

Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G., Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times, Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3 . [all data]

Shimizu, Saito, et al., 1981
Shimizu, M.; Saito, Y.; Kusano, K., , Preprints 17th Conf. Chem. Thermodyn. Thermal Anal., Japan, 1981, 50. [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]

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]

Hirabayashi, Mohmand, et al., 1982
Hirabayashi, T.; Mohmand, S.; Bock, H., Thermische zersetzung ofenkettiger kialkyl-sulfide,-disulfide und -diselenide, Chem. Ber., 1982, 115, 483. [all data]

Guimon, Guimon, et al., 1975
Guimon, M.-F.; Guimon, C.; Pfister-Guillouzo, G., Application of photoelectron spectroscopy to conformational analysis of 1,2,4-trithiolanes, Tetrahedron Lett., 1975, 7, 441. [all data]

Wagner and Bock, 1974
Wagner, G.; Bock, H., Photoelektronenspektren und molekuleigenschaften, XXVI. Die delokalisation von schwefel-elektronenpaaren in alkylsulfiden und -disulfiden, Chem. Ber., 1974, 107, 68. [all data]

Bock, Wagner, et al., 1972
Bock, H.; Wagner, G.; Kroner, J., Photoelektronenspektren und molekuleigenschaften, XIV. Die delokalisation des schwefel-elektronenpaar in CH₃S-substituierten aromaten, Chem. Ber., 1972, 105, 3850. [all data]

Bol'shakov, et al., 1969
Bol'shakov, G.F., et al., Ultraviolet spectra of heterooorganic compounds, 1969, 143. [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]

Mahadevan and Farmer, 2006
Mahadevan, K.; Farmer, L., Key Odor Impact Compounds in Three Yeast Extract Pastes, J. Agric. Food Chem., 2006, 54, 19, 7242-7250, https://doi.org/10.1021/jf061102x . [all data]

Mookdasanit, Tamura, et al., 2003
Mookdasanit, J.; Tamura, H.; Yoshizawa T.; Tokunaga T.; Nakanishi, K., Trace Volatile Compounds in Essential Oil of Citrus Sudachi by Means of Modified Solvent Extraction Method, Food Sci Technol. Res., 2003, 9, 1, 54-61, https://doi.org/10.3136/fstr.9.54 . [all data]

Riahi, Pourbasheer, et al., 2009
Riahi, S.; Pourbasheer, E.; Ganjali, M.R.; Norouzi, P., Investigation of different linear and non-linear chemometric methods for modeling of retention index of essential oil components: Concerns to support vector mashine, J. Hazard. Mat., 2009, 166, 2-3, 853-859, https://doi.org/10.1016/j.jhazmat.2008.11.097 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Gao, Wang, et al., 2003
Gao, Y.; Wang, Y.; Yao, X.; Zhang, X.; Liu, M.; Hu, Z.; Fan, B., The prediction for gas chromatographic retention index of disulfides on stationary phases of different polarity, Talanta, 2003, 59, 2, 229-237, https://doi.org/10.1016/S0039-9140(02)00500-3 . [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]

Werkhoff, Güntert, et al., 1998
Werkhoff, P.; Güntert, M.; Krammer, G.; Sommer, H.; Kaulen, J., Vacuum headspace method in aroma research: flavor chemistry of yellow passion fruits, J. Agric. Food Chem., 1998, 46, 3, 1076-1093, https://doi.org/10.1021/jf970655s . [all data]

Bosch-Fuste, Riu-Aumatell, et al., 2007
Bosch-Fuste, J.; Riu-Aumatell, M.; Guadayol, J.M.; Caixach, J.; Lopez-Tamames, E.; Buxaderas, S., Volatile profiles of sparkling wines obtained by three extraction methods and gas chromatography-mass spectrometry (GC-MS) analysis, Food Chem., 2007, 105, 1, 428-435, https://doi.org/10.1016/j.foodchem.2006.12.053 . [all data]

Narain, Galvao, et al., 2007
Narain, N.; Galvao, M. deS.; Ferreira, D.DaS.; Navarro, D.M.A.F., Flavor biogeneration in Mangaba (Hancornia speciosa Gomes) fruit, BioEng. Campinas, 2007, 1, 1, 25-31. [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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