Disulfide, dipropyl
- Formula: C6H14S2
- Molecular weight: 150.305
- IUPAC Standard InChIKey: ALVPFGSHPUPROW-UHFFFAOYSA-N
- CAS Registry Number: 629-19-6
- 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: Propyl disulfide; Dipropyl disulfide; 4,5-Dithiaoctane; Dipropyl disulphide; (n-C3H7S)2; n-Propyl disulfide; di-n-Propyl disulfide; 1-(Propyldisulfanyl)propane; NSC 75122
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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 | -28.04 ± 0.26 | kcal/mol | Ccb | Hubbard, Douslin, et al., 1958 | Reanalyzed by Cox and Pilcher, 1970, Original value = -27.77 ± 0.26 kcal/mol |
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 |
---|---|---|---|---|---|
ΔfH°liquid | -40.98 ± 0.24 | kcal/mol | Ccb | Hubbard, Douslin, et al., 1958 | Reanalyzed by Cox and Pilcher, 1970, Original value = -40.71 ± 0.24 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1289.45 ± 0.17 | kcal/mol | Ccb | Hubbard, Douslin, et al., 1958 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1288.90 ± 0.17 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 89.281 | cal/mol*K | N/A | Hubbard, Douslin, et al., 1958 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
62.729 | 298.15 | Hubbard, Douslin, et al., 1958 | T = 10 to 360 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.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 468.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 468. | K | N/A | Mcallan, Cullum, et al., 1951 | Uncertainty assigned by TRC = 1.7 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 187.6 | K | N/A | Mcallan, Cullum, et al., 1951 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 187.66 | K | N/A | Hubbard, Douslin, et al., 1958, 2 | Uncertainty assigned by TRC = 0.01 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.70 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 12.9 ± 0.02 | kcal/mol | C | Kusano, 1985 | AC |
ΔvapH° | 12.9 | kcal/mol | N/A | Shimizu, Saito, et al., 1981 | AC |
ΔvapH° | 12.94 ± 0.10 | kcal/mol | C | Hubbard, Douslin, et al., 1958 | ALS |
ΔvapH° | 13.0 | kcal/mol | N/A | Hubbard, Douslin, et al., 1958 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.4 | 369. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 354. to 499. K.; AC |
11.2 | 404. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 389. to 447. K. See also Hubbard, Douslin, et al., 1958 and Osborn and Douslin, 1966.; AC |
11.1 | 410. | EB | White, Barnard--Smith, et al., 1952 | Based on data from 395. to 456. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
390.62 to 447.00 | 4.09416 | 1603.577 | -77.325 | Hubbard, Douslin, et al., 1958 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.3000 | 187.66 | Hubbard, Douslin, et al., 1958 | DH |
3.301 | 187.7 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
17.58 | 187.66 | Hubbard, Douslin, et al., 1958 | DH |
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 by: 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
By formula: 2C3H8S + I2 = 2HI + C6H14S2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -29.85 | kcal/mol | Cm | Sunner, 1955 | liquid phase; solvent: Ethanol/water(90/10) |
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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.62 | PE | Wagner and Bock, 1974 | Vertical value; LLK |
8.62 | PE | Bock, Wagner, et al., 1972 | Vertical value; LLK |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hubbard, Douslin, et al., 1958
Hubbard, W.N.; Douslin, D.R.; McCullough, J.P.; Scott, D.W.; Todd, S.S.; Messerly, J.F.; Hossenlopp, I.A.; George, A.; Waddington, G.,
2,3-dithiabutane, 3,4-dithiahexane and 4,5-dithiaoctane: Chemical thermodynamic properties from 0 to 1000°K,
J. Am. Chem. Soc., 1958, 80, 3547-3554. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 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]
Hubbard, Douslin, et al., 1958, 2
Hubbard, W.N.; Douslin, D.R.; McCullough, J.P.; Scott, D.W.; Todd, S.S.; Messerly, J.F.; Hossenlopp, I.A.; George, A.; Waddington, G.,
2,3-Dithiabutane, 3,4-Dithiahexane, and 4,5-Dithiaoctane: Chemical Thermodynamic Properties from 0 to 1000 K,
J. Am. Chem. Soc., 1958, 80, 3547-54. [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]
Kusano, 1985
Kusano, Kazuhito,
Micro conduction calorimeters to measure enthalpies of vaporization,
Thermochimica Acta, 1985, 88, 1, 109-120, https://doi.org/10.1016/0040-6031(85)85418-6
. [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]
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]
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]
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]
Sunner, 1955
Sunner, S.,
Strain in 6,8-thioctic acid,
Nature (London), 1955, 176, 217. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions 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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