Propyl mercaptan

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-68.58 ± 0.63kJ/molCcrHubbard and Waddington, 1954Heat of combustion calculated author's U=-675.26

Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-100.6 ± 0.63kJ/molCcrHubbard and Waddington, 1954Heat of combustion calculated author's U=-675.26; ALS
Quantity Value Units Method Reference Comment
Δcliquid-2825.3 ± 0.49kJ/molCcrHubbard and Waddington, 1954Heat of combustion calculated author's U=-675.26; ALS
Quantity Value Units Method Reference Comment
liquid242.50J/mol*KN/APennington, Scott, et al., 1956DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
144.56298.15Pennington, Scott, et al., 1956T = 10 to 320 K.; DH

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil340.9 ± 0.7KAVGN/AAverage of 18 out of 21 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus160. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple159.9800KN/APennington, Scott, et al., 1956, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple159.9900KN/APennington, Scott, et al., 1956, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.03 K; TRC
Ttriple160.00KN/AAnonymous, 1954Uncertainty assigned by TRC = 0.07 K; TRC
Quantity Value Units Method Reference Comment
Tc536.6KN/ATeja and Anselme, 1990Uncertainty assigned by TRC = 0.4 K; TRC
Tc535.6KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
ρc3.49mol/lN/ATeja and Anselme, 1990Uncertainty assigned by TRC = 0.1 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap32.05kJ/molN/AMajer and Svoboda, 1985 
Δvap31.9kJ/molN/AReid, 1972AC
Δvap31.99kJ/molVPennington, Scott, et al., 1956, 3ALS
Δvap32.0kJ/molN/AHubbard and Waddington, 1954DRB

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
29.54340.9N/AMajer and Svoboda, 1985 
33.7269.N/ADykyj, Svoboda, et al., 1999Based on data from 254. to 364. K.; AC
31.8312.A,EBStephenson and Malanowski, 1987Based on data from 297. to 375. K. See also Pennington, Scott, et al., 1956, Osborn and Douslin, 1966, and Hubbard and Waddington, 2010.; AC
31.6 ± 0.1303.CPennington, Scott, et al., 1956AC
30.7 ± 0.1320.CPennington, Scott, et al., 1956AC
29.5 ± 0.1341.CPennington, Scott, et al., 1956AC
31.5312.N/ATaylor and Layng, 1933Based on data from 284. to 340. K.; 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)

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Temperature (K) A (kJ/mol) β Tc (K) Reference Comment
303. to 341.46.50.2753535.6Majer and Svoboda, 1985 

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
297.42 to 375.244.053531183.392-48.516Pennington, Scott, et al., 1956Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
5.48160.Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
27.95142.1Domalski and Hearing, 1996CAL
34.23160.

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
3.9710142.10crystaline, IIcrystaline, IPennington, Scott, et al., 1956DH
5.4769160.00crystaline, IliquidPennington, Scott, et al., 1956DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
27.95142.10crystaline, IIcrystaline, IPennington, Scott, et al., 1956DH
34.23160.00crystaline, IliquidPennington, Scott, et al., 1956DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C3H9Sn+ + Propyl mercaptan = (C3H9Sn+ • Propyl mercaptan)

By formula: C3H9Sn+ + C3H8S = (C3H9Sn+ • C3H8S)

Quantity Value Units Method Reference Comment
Δr143.kJ/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr135.J/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
72.4525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

C3H7S- + Hydrogen cation = Propyl mercaptan

By formula: C3H7S- + H+ = C3H8S

Quantity Value Units Method Reference Comment
Δr1482. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1456. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

2Propyl mercaptan + Iodine = 2Hydrogen iodide + Disulfide, dipropyl

By formula: 2C3H8S + I2 = 2HI + C6H14S2

Quantity Value Units Method Reference Comment
Δr-124.9kJ/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

Ethanethioic acid, S-propyl ester + Water = Propyl mercaptan + Acetic acid

By formula: C5H10OS + H2O = C3H8S + C2H4O2

Quantity Value Units Method Reference Comment
Δr-3.9 ± 0.3kJ/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

Henry's Law 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 by: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference
0.253600.MN/A

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C3H8S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.20 ± 0.01eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)794.9kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity763.6kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.21PEKimura, Katsumata, et al., 1981LLK
9.19PEOgata, Onizuka, et al., 1973LLK
9.195 ± 0.005PIWatanabe, Nakayama, et al., 1962RDSH

De-protonation reactions

C3H7S- + Hydrogen cation = Propyl mercaptan

By formula: C3H7S- + H+ = C3H8S

Quantity Value Units Method Reference Comment
Δr1482. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1456. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C3H9Sn+ + Propyl mercaptan = (C3H9Sn+ • Propyl mercaptan)

By formula: C3H9Sn+ + C3H8S = (C3H9Sn+ • C3H8S)

Quantity Value Units Method Reference Comment
Δr143.kJ/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr135.J/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
72.4525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated

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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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 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
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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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Mass spectrum
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Additional Data

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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-3863
NIST MS number 231055

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hubbard and Waddington, 1954
Hubbard, W.N.; Waddington, G., The heat of combustion, formation and isomerization of propanethiol-1, propane-thiol-2 and 2-thiabutane, Rec. Trav. Chim. Pays/Bas, 1954, 73, 910. [all data]

Pennington, Scott, et al., 1956
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G., The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol, J. Am. Chem. Soc., 1956, 78, 3266-3272. [all data]

Pennington, Scott, et al., 1956, 2
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G., The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol., J. Am. Chem. Soc., 1956, 78, 3266-72. [all data]

Anonymous, 1954
Anonymous, R., , Am. Pet. Inst. Res. Proj. 45, Tech. Rep. 13, Ohio State Univ., 1954. [all data]

Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J., The critical properties of thermally stable and unstable fluids. II. 1986 results, AIChE Symp. Ser., 1990, 86, 279, 122-7. [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]

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]

Pennington, Scott, et al., 1956, 3
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G., The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol, J. Am. Chem. Soc., 1956, 78, 3266-32. [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]

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]

Hubbard and Waddington, 2010
Hubbard, Ward N.; Waddington, Guy, The heats of combustion, formation and isomerization of propanethiol-1, propane-thiol-2 and 2-thiabutane, Recl. Trav. Chim. Pays-Bas, 2010, 73, 11, 910-923, https://doi.org/10.1002/recl.19540731107 . [all data]

Taylor and Layng, 1933
Taylor, H. Austin; Layng, Edwin T., The Thermal Decomposition of Propyl Mercaptan, J. Chem. Phys., 1933, 1, 11, 798, https://doi.org/10.1063/1.1749248 . [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]

Stone and Splinter, 1984
Stone, J.A.; Splinter, D.E., A high-pressure mass spectrometric study of the binding of (CH3)3Sn+ to lewis bases in the gas phase, Int. J. Mass Spectrom. Ion Processes, 1984, 59, 169. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Sunner, 1955
Sunner, S., Strain in 6,8-thioctic acid, Nature (London), 1955, 176, 217. [all data]

Wadso, 1957
Wadso, I., The heats of hydrolysis of some alkyl thiolesters, Acta Chem. Scand., 1957, 11, 1745-1751. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Ogata, Onizuka, et al., 1973
Ogata, H.; Onizuka, H.; Nihei, Y.; Kamada, H., The photoelectron spectra of alcohols, mercaptans and amines, Bull. Chem. Soc. Jpn., 1973, 46, 3036. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), References