Propane, 2-methyl-2-(methylthio)-
- Formula: C5H12S
- Molecular weight: 104.214
- IUPAC Standard InChIKey: CJFVCTVYZFTORU-UHFFFAOYSA-N
- CAS Registry Number: 6163-64-0
- 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: Sulfide, tert-butyl methyl; tert-Butyl methyl sulfide; Methyl tert-butyl sulfide; 3,3-Dimethyl-2-thiabutane; 2-Methyl-2-(methylthio)-propane; tert-Butyl methyl sulphide; (CH3)3CSCH3; Methyl t-butyl sulfide; NSC 97331
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Gas phase thermochemistry data
Go To: Top, Phase change data, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -121.0 ± 0.75 | kJ/mol | Ccb | Scott, Good, et al., 1962 |
Phase change data
Go To: Top, Gas phase thermochemistry data, 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:
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 373. ± 3. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 190.85 | K | N/A | Lanum and Morris, 1969 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 190.9 | K | N/A | Anonymous, 1952 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 190.84 | K | N/A | Scott, Good, et al., 1962, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Ttriple | 184.86 | K | N/A | Scott, Good, et al., 1962, 2 | Metastable crystal phase; Uncertainty assigned by TRC = 0.06 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 569.8 | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 35.9 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 34.2 | kJ/mol | N/A | Sawaya, Mokbel, et al., 2004 | Based on data from 245. to 352. K.; AC |
ΔvapH° | 35.9 | kJ/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 35.8 | kJ/mol | V | Scott, Good, et al., 1962 | ALS |
ΔvapH° | 35.9 | kJ/mol | N/A | Scott, Good, et al., 1962 | DRB |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
31.47 | 372.1 | N/A | Majer and Svoboda, 1985 | |
36.5 | 291. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 276. to 397. K.; AC |
35.1 | 320. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 305. to 411. K. See also Scott, Good, et al., 1962, 3 and Osborn and Douslin, 1966.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
330. to 372. | 51.75 | 0.2906 | 569.8 | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
306.86 to 410.24 | 3.97204 | 1259.672 | -54.455 | Scott, Good, et al., 1962 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.414 | 190.84 | Scott, Good, et al., 1962 | DH |
8.41 | 190.8 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
44.09 | 190.84 | Scott, Good, et al., 1962 | DH |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change 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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
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 | NIST Mass Spectrometry Data Center |
NIST MS number | 340442 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Phase change 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. | 724. | Garbuzov, Misharina, et al., 1985 | He or N2, Chromosorb W, AW-DMCS; Column length: 2.1 m |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Apiezon M | 724. | N/A | Program: not specified |
Capillary | Apiezon M | 724. | Liu, Cao, et al., 2005 | Program: not specified |
Capillary | Polydimethyl siloxanes | 710. | Zenkevich, 1998 | Program: not specified |
Capillary | SE-52 | 725. | van Langenhove and Schamp, 1986 | Column length: 100. m; Column diameter: 0.50 mm; Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Phase change 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.
Scott, Good, et al., 1962
Scott, D.W.; Good, W.D.; Todd, S.S.; Messerly, J.F.; Berg, W.T.; Hossenlopp, I.A.; Lacina, J.L.; Osborn, A.; McCullough, J.P.,
3,3-Dimethyl-2-thiabutane: Chemical thermodynamic properties and barriers to internal rotation,
J. Chem. Phys., 1962, 36, 406-412. [all data]
Lanum and Morris, 1969
Lanum, W.J.; Morris, J.C.,
Physical Properties of Some Sulfur and Nitrogen Compounds,
J. Chem. Eng. Data, 1969, 14, 93-8. [all data]
Anonymous, 1952
Anonymous, R.,
, Physical Properties of Chemical Substances, Dow Chemical Co., 1952. [all data]
Scott, Good, et al., 1962, 2
Scott, D.W.; Good, W.D.; Todd, S.S.; Messerly, J.F.; Berg, W.T.; Hossenlopp, I.A.; Lacina, J.L.; Osborn, A.G.; McCullough, J.P.,
3,3-Dimethyl-2-Thiabutane: Chemical Thermodynamic Properties and Barriers to Internal Rotation,
J. Chem. Phys., 1962, 36, 406-12. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Sawaya, Mokbel, et al., 2004
Sawaya, Terufat; Mokbel, Ilham; Rauzy, Evelyne; Saab, Joseph; Berro, Charles; Jose, Jacques,
Experimental vapor pressures of alkyl and aryl sulfides,
Fluid Phase Equilibria, 2004, 226, 283-288, https://doi.org/10.1016/j.fluid.2004.10.007
. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [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]
Scott, Good, et al., 1962, 3
Scott, D.W.; Good, W.D.; Todd, S.S.; Messerly, J.F.; Berg, W.T.; Hossenlopp, I.A.; Lacina, J.L.; Osborn, Ann; McCullough, J.P.,
3,3-Dimethyl-2-Thiabutane: Chemical Thermodynamic Properties and Barriers to Internal Rotation,
J. Chem. Phys., 1962, 36, 2, 406, https://doi.org/10.1063/1.1732519
. [all data]
Osborn and Douslin, 1966
Osborn, A.G.; Douslin, D.R.,
Vapor Pressure Relations of 36 Sulfur Compounds Present in Petroleum.,
J. Chem. Eng. Data, 1966, 11, 4, 502-509, https://doi.org/10.1021/je60031a014
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [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]
Liu, Cao, et al., 2005
Liu, L.; Cao, C.-Z.; Xie, B.; Zou, L.-K.,
Research of QSSR on chromatography retention index of sulfides and mercaptans,
Journal of Hunan University of Science and Technology, 2005, 20, 4, 74-80. [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]
van Langenhove and Schamp, 1986
van Langenhove, H.; Schamp, N.,
Identification of Volatiles in the Head Space of Acid-Treated Phosphate Rock by Gas Chromatography-Mass Spectromety,
J. Chromatogr., 1986, 351, 65-75, https://doi.org/10.1016/S0021-9673(01)83473-7
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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