Mustard Gas

• Formula: C₄H₈Cl₂S
• Molecular weight: 159.077
• IUPAC Standard InChI: InChI=1S/C4H8Cl2S/c5-1-3-7-4-2-6/h1-4H2 Copy

  
• IUPAC Standard InChIKey: QKSKPIVNLNLAAV-UHFFFAOYSA-N Copy
• 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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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • Henry's Law data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Enthalpy of sublimation

References

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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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