Mustard Gas
- Formula: C4H8Cl2S
- Molecular weight: 159.077
- IUPAC Standard InChIKey: QKSKPIVNLNLAAV-UHFFFAOYSA-N
- CAS Registry Number: 505-60-2
- 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: Bis(2-chloroethyl) sulfide; Sulfur mustard; HD; Ethane, 1,1'-thiobis[2-chloro-; 1,1'-Thiobis(2-chloroethane); Yellow cross liquid; Kampfstoff "lost"; Yperite; 2,2'-Dichlorodiethyl sulfide; 1-Chloro-2-(β-chloroethylthio)ethane; Sulfur mustard gas; Schwefel-lost; Distilled mustard; Mustard HD; Gelbkreuz; S Lost; S Mustard; Mustard, sulfur; Mustard Vapor; Mustard; Sulfide, bis(2-chloroethyl); beta,beta'-Dichlorodiethyl sulfide; β,β'-Dichloroethyl sulfide; β-Chloroethylisobutyl sulfide; 2,2'-Dichloroethyl sulfide; Agent hd; Bis(β-chloroethyl) sulfide; Di(2-chloroethyl) sulfide; β,β-Dichloroethyl sulfide; Iprit; Kampstoff lost; Lost; S-Yperite; Senfgas; Yellow cross gas; Bis(2-chloroethyl) sulphide; Agent THD; THD
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Condensed phase thermochemistry data
Go To: Top, Phase change 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°liquid | -200.5 ± 1.6 | kJ/mol | Ccr | John, 1975 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3163.5 ± 1.3 | kJ/mol | Ccr | John, 1975 |
Phase change data
Go To: Top, Condensed phase thermochemistry 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 489.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 59.8 ± 2.1 | kJ/mol | V | Bent and Francel, 1948 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
59.6 | 303. | A,MM | Stephenson and Malanowski, 1987 | Based on data from 288. to 358. K. See also Balson, Denbigh, et al., 1947, Boublik, Fried, et al., 1984, and Bent and Francel, 1948.; AC |
50.3 | 373. | N/A | Holst and Melander, 1943 | Based on data from 353. to 393. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
80.9 | 271. | Buchanan, Buettner, et al., 2006 | Based on data from 248. to 293. K.; AC |
77.2 | 275. | Stephenson and Malanowski, 1987 | Based on data from 263. to 287. K.; AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
John, 1975
John, W.H.,
The enthalpies of combustion and formation of 2,2'-dichloroethyl sulfide,
J. Res. NBS, 1975, 79, 635-639. [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]
Bent and Francel, 1948
Bent, H.E.; Francel, R.J.,
The vapor pressure of "Mustard Gas" (β,β'-dichloroethylsufide), diphenyl ether and their mixtures,
J. Am. Chem. Soc., 1948, 70, 634-637. [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]
Balson, Denbigh, et al., 1947
Balson, E.W.; Denbigh, K.G.; Adam, N.K.,
Studies in vapour pressure measurement. Part I.?The vapour pressure of ???-dichlorethyl sulphide (mustard gas),
Trans. Faraday Soc., 1947, 43, 42, https://doi.org/10.1039/tf9474300042
. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Holst and Melander, 1943
Holst, G.; Melander, L.,
Svensk. Kem. Tid., 1943, 55, 131. [all data]
Buchanan, Buettner, et al., 2006
Buchanan, James H.; Buettner, Leonard C.; Tevault, David E.,
Vapor Pressure of Solid Bis(2-chloroethyl) Sulfide,
J. Chem. Eng. Data, 2006, 51, 4, 1331-1334, https://doi.org/10.1021/je060077o
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔsubH Enthalpy of sublimation 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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