Arsenous acid, trimethyl ester

• Formula: C₃H₉AsO₃
• Molecular weight: 168.0234
• IUPAC Standard InChI: InChI=1S/C3H9AsO3/c1-5-4(6-2)7-3/h1-3H3 Copy

  
• IUPAC Standard InChIKey: JQWDUIXUOQTLKR-UHFFFAOYSA-N Copy
• CAS Registry Number: 6596-95-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Trimethyl arsenite; Arsenious acid (H3AsO3), trimethyl ester; Trimethoxyarsine; As(OCH3)3
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
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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

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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

Appearance energy determinations

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

References

Go To: Top, Phase change data, Gas phase ion energetics data, 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.

Charnley, Mortimer, et al., 1953
Charnley, T.; Mortimer, C.T.; Skinner, H.A., 236. The thermochemistry of organo-arsenic compounds. Part II. Esters of arsenious acid, J. Chem. Soc., 1953, 1181, https://doi.org/10.1039/jr9530001181 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Preiss, 1974
Preiss, H., Die Massenspektren einiger arsen- und arsenigsaureester. Kinetische untersuchung ihres fragmentierungsverhaltens, Z. Anorg. Allg. Chem., 1974, 404, 175. [all data]

Cowley, Lattman, et al., 1977
Cowley, A.H.; Lattman, M.; Montag, R.A.; Verkade, J.G., The coordination behavior of acyclic phosphites; a UV photoelectron spectroscopic study, Inorg. Chim. Acta, 1977, 25, 151. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  AE	Appearance energy
  ΔvapH°	Enthalpy of vaporization at standard conditions

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