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
- IUPAC Standard InChIKey: LZAZXBXPKRULLB-UHFFFAOYSA-N
- 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
The 3d structure may be viewed using Java or Javascript. - 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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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 448.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
| Tboil | 450.4 | K | N/A | Weast and Grasselli, 1989 | BS |
| Tboil | 447. | K | N/A | Mcallan, Cullum, et al., 1951 | Uncertainty assigned by TRC = 1.5 K; TRC |
| Tboil | 447. | K | N/A | Birch and Norris, 1925 | Uncertainty assigned by TRC = 4. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 204.1 | K | N/A | Mcallan, Cullum, et al., 1951 | Uncertainty assigned by TRC = 0.2 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 49.3 | kJ/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 383. to 423. K.; AC |
| ΔvapH° | 39.6 | kJ/mol | N/A | Shimizu, Saito, et al., 1981 | AC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 43.8 | 392. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 377. to 447. K. See also White, Barnard--Smith, et al., 1952 and Dykyj, Svoboda, et al., 1999.; AC |
References
Go To: Top, Phase change data, 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]
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]
Notes
Go To: Top, Phase change data, References
- 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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