Acetyl chloride

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Gas 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

Quantity Value Units Method Reference Comment
Δfgas-251.3 ± 0.50kJ/molCmDevore and O'Neal, 1969Heat of hydrolysis
Δfgas-244. ± 0.8kJ/molCmPritchard and Skinner, 1950Reanalyzed by Cox and Pilcher, 1970, Original value = -249. kJ/mol; Heat of hydrolysis at 298 K, see Carson and Skinner, 1949
Δfgas-246.6kJ/molCmCarson and Skinner, 1949 

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-272.0 ± 0.50kJ/molCmDevore and O'Neal, 1969Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -275.2 ± 0.46 kJ/mol; Heat of hydrolysis; ALS
Δfliquid-274. ± 0.59kJ/molCmPritchard and Skinner, 1950Reanalyzed by Cox and Pilcher, 1970, Original value = -277.2 kJ/mol; Heat of hydrolysis at 298 K, see Carson and Skinner, 1949; ALS
Δfliquid-275.2 ± 0.2kJ/molCmCarson and Skinner, 1949ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
117.2298.von Reis, 1881T = 289 to 343 K.; DH

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

Quantity Value Units Method Reference Comment
Tboil325. ± 2.KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus160.29KN/AMcDonald, Shrader, et al., 1959Uncertainty assigned by TRC = 0.07 K; TRC
Tfus161.2KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Δvap23.8 ± 0.2kJ/molVDevore and O'Neal, 1969Heat of hydrolysis; ALS
Δvap28.6kJ/molVCarson and Skinner, 1949ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
24.5288.AStephenson and Malanowski, 1987Based on data from 273. to 323. K.; AC
31.5282.AStephenson and Malanowski, 1987Based on data from 267. to 324. K. See also McDonald, Shrader, et al., 1959, 2 and Dykyj, 1970.; AC
30.1 ± 0.42323.9VMathews and Fehlandt, 1931Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 28.6 kJ/mol; ALS

Antoine Equation Parameters

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

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Temperature (K) A B C Reference
266.86 to 324.203.965681062.86-55.531McDonald, Shrader, et al., 1959, 2

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Acetyl chloride + Water = Acetic acid + Hydrogen chloride

By formula: C2H3ClO + H2O = C2H4O2 + HCl

Quantity Value Units Method Reference Comment
Δr-94.47kJ/molCmDevore and O'Neal, 1969liquid phase; Heat of hydrolysis
Δr-92.30kJ/molCmPritchard and Skinner, 1950liquid phase; Heat of hydrolysis at 298 K, see Carson and Skinner, 1949
Δr-92.42kJ/molCmCarson and Skinner, 1949liquid phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Devore and O'Neal, 1969
Devore, J.A.; O'Neal, H.E., Heats of formation of the acetyl halides and of the acetyl radical, J. Phys. Chem., 1969, 73, 2644-2648. [all data]

Pritchard and Skinner, 1950
Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of the chloro-substituted acetyl chlorides, J. Chem. Soc., 1950, 272-276. [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]

Carson and Skinner, 1949
Carson, A.S.; Skinner, H.A., 201. Carbon-halogen bond energies in the acetyl halides, J. Chem. Soc., 1949, 936-939. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

von Reis, 1881
von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]

McDonald, Shrader, et al., 1959
McDonald, R.A.; Shrader, S.A.; Stull, D.R., Vapor Pressures and Freezing Points of 30 Organics, J. Chem. Eng. Data, 1959, 4, 311. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [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]

McDonald, Shrader, et al., 1959, 2
McDonald, R.A.; Shrader, S.A.; Stull, D.R., Vapor Pressures and Freezing Points of Thirty Pure Organic Compounds., J. Chem. Eng. Data, 1959, 4, 4, 311-313, https://doi.org/10.1021/je60004a009 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Mathews and Fehlandt, 1931
Mathews, J.H.; Fehlandt, P.R., The heats of vaporization of some organic compounds, J. Am. Chem. Soc., 1931, 53, 3212-32. [all data]


Notes

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