Lewisite

• Formula: C₂H₂AsCl₃
• Molecular weight: 207.318
• IUPAC Standard InChI: InChI=1S/C2H2AsCl3/c4-2-1-3(5)6/h1-2H/b2-1+ Copy

  
• IUPAC Standard InChIKey: GIKLTQKNOXNBNY-OWOJBTEDSA-N Copy
• CAS Registry Number: 541-25-3
• Chemical structure:
  This structure is also available as a 2d Mol file
• Species with the same structure:
  • (trans-2-chlorovinyl)dichloroarsine
• Other names: Lewisite I; 2-Chlorovinyldichloroarsine; Arsonous dichloride, (2-chloroethenyl)-; Arsine, dichloro(2-chlorovinyl)-; Arsine, (2-chlorovinyl)dichloro-; Chlorovinylarsine dichloride; β-Chlorovinylbichloroarsine; Dichloro(2-chlorovinyl)arsine; M-1; (2-Chloroethenyl)arsonous dichloride; Lewisite 1; Arsonous dichloride, As-(2-chloroethenyl)-; Lewisite (arsenic compound); Lewisite 1 (isomer)
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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.

Redemann, Chaikin, et al., 1948
Redemann, C. Ernst; Chaikin, Saul W.; Fearing, Ralph B.; Benedict, Dora, The Volatility and Vapor Pressure of Nine Organic Arsines ¹, J. Am. Chem. Soc., 1948, 70, 2, 637-639, https://doi.org/10.1021/ja01182a061 . [all data]

Notes

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• Symbols used in this document:
  

  ΔvapH

  Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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