Benzoyl chloride

• Formula: C₇H₅ClO
• Molecular weight: 140.567
• IUPAC Standard InChI: InChI=1S/C7H5ClO/c8-7(9)6-4-2-1-3-5-6/h1-5H Copy

  
• IUPAC Standard InChIKey: PASDCCFISLVPSO-UHFFFAOYSA-N Copy
• CAS Registry Number: 98-88-4
• 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: Benzaldehyde, α-chloro-; Benzenecarbonyl chloride; Benzoic acid, chloride; α-Chlorobenzaldehyde; UN 1736
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, custom temperature program

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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.

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Witschonke, 1954
Witschonke, C.R., Freezing point and purity data for some organic compounds, Anal. Chem., 1954, 26, 562-4. [all data]

Carson, Pritchard, et al., 1950
Carson, A.S.; Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of the benzoyl halides, J. Chem. Soc., 1950, 656-659. [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]

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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [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]

Gan, Livett, et al., 1984
Gan, T.H.; Livett, M.K.; Peel, J.B., Comparative He I and He II photoelectron spectroscopic studies of the benzoyl halides, J. Chem. Soc. Faraday Trans. 2, 1984, 80, 1281. [all data]

Meeks, Wahlborg, et al., 1981
Meeks, J.; Wahlborg, A.; McGlynn, S.P., Photoelectron spectroscopy of carbonyls: Benzoic acid and its derivatives, J. Electron Spectrosc. Relat. Phenom., 1981, 22, 43. [all data]

McLoughlin and Traeger, 1979
McLoughlin, R.G.; Traeger, J.C., A photoionization study of some benzoyl compounds - thermochemistry of [C₇H₅O]⁺ formation, Org. Mass Spectrom., 1979, 14, 434. [all data]

Elder, Beynon, et al., 1976
Elder, J.F.; Beynon, J.H.; Cooks, R.G., The benzoyl ion. Thermochemistry and kinetic energy release, Org. Mass Spectrom., 1976, 11, 415. [all data]

Benoit, 1973
Benoit, F., The benzoyl cation: The participation of isolated electronic excited states in the dissociation of molecular ions of the form [C₆H₅COX]⁺, Org. Mass Spectrom., 1973, 7, 1407. [all data]

Foffani, Pignataro, et al., 1964
Foffani, A.; Pignataro, S.; Cantone, B.; Grasso, F., Ionization potentials and substituent effects for aromatic carbonyl compounds, Z. Physik. Chem. (Frankfurt), 1964, 42, 221. [all data]

Gofman, Yarzhemsky, et al., 1980
Gofman, M.M.; Yarzhemsky, V.G.; Nefedov, V.I., Relative intensities in the He(I) and He(II) photoelectron spectra of benzoyl chloride, J. Electron Spectrosc. Relat. Phenom., 1980, 21, 171. [all data]

Majer and Patrick, 1963
Majer, J.R.; Patrick, C.R., Appearance potentials of the benzoyl radical-ion, J. Chem. Soc. Faraday Trans., 1963, 59, 1274. [all data]

Tiess, 1984
Tiess, D., Gaschromatographische Retentionsindices von 125 leicht- bis mittelflüchtigen organischen Substanzen toxikologisch-analytischer Relevanz auf SE-30, Wiss. Z. Wilhelm-Pieck-Univ. Rostock Math. Naturwiss. Reihe, 1984, 33, 6-9. [all data]

Sun and Stremple, 2003
Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [all data]

Gandhe, Malhotra, et al., 1989
Gandhe, B.R.; Malhotra, R.C.; Gutch, P.K., Gas chromatographic retention indices of tear gases on capillary columns, J. Chromatogr., 1989, 479, 165-169, https://doi.org/10.1016/S0021-9673(01)83328-8 . [all data]

Tret'yakov, 2007
Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [all data]

Zenkevich, 2001
Zenkevich, I.G., Encyclopedia of Chromatography. Derivatization of Amines, Amino Acids, Amides and Imides for GC Analysis, Marcel Dekker, Inc, New York - Basel, 2001, 224. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  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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