Triacetin

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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 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-318.1 ± 1.0kcal/molCcbTavernier and Lamouroux, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -315.77 kcal/mol; Author's hf298_condensed=-320.274 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-1006.6 ± 1.0kcal/molCcbTavernier and Lamouroux, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -1008.906 kcal/mol; Author's hf298_condensed=-320.274 kcal/mol; Corresponding Δfliquid = -318.07 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid109.5cal/mol*KN/ARabinovich, Khlyustova, et al., 1983DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
92.97298.15Nilsson and Wadso, 1986DH
91.95300.Rabinovich, Khlyustova, et al., 1983T = 9 to 320 K.; DH
96.1298.15Fuchs, 1979DH

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
AC - William E. Acree, Jr., James S. Chickos
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
Tboil520. ± 70.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus195.KN/AHutchings, Nicklasson, et al., 1993Glass phase; Uncertainty assigned by TRC = 10. K; Presumably this is glass transition temp.; TRC
Tfus277.15KN/AYumashev, Demchenko, et al., 1984Uncertainty assigned by TRC = 0.8 K; TRC
Tfus277.3KN/ABaur, 1954Uncertainty assigned by TRC = 0.5 K; TRC
Tfus276.4KN/AHancock, Sylvester, et al., 1948Uncertainty assigned by TRC = 2. K; Tends to undercool to form a glass at -60 to -78 C. Crystalization can be induced by seeding; TRC
Tfus213.KN/ATimmermans, 1922Uncertainty assigned by TRC = 50. K; presumably this is the glass transition temp.; TRC
Quantity Value Units Method Reference Comment
Ttriple275.25KN/ARabinovich, Khlyustova, et al., 1983, 2Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δvap20.0 ± 0.7kcal/molAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
19.6299.AStephenson and Malanowski, 1987Based on data from 284. to 319. K. See also Woodman and Adicoff, 1963.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
6.1663275.25Rabinovich, Khlyustova, et al., 1983DH
6.17275.3Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
22.4275.25Rabinovich, Khlyustova, et al., 1983DH

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:


References

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

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

Tavernier and Lamouroux, 1956
Tavernier, P.; Lamouroux, M., Determinations calorimetriques relatives a vingt-six substances organiques, Mem. Poudres, 1956, 38, 65-88. [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]

Rabinovich, Khlyustova, et al., 1983
Rabinovich, I.B.; Khlyustova, T.B.; Mochalov, A.N.; Kokurina, N.Yu., The heat capacity and thermodynamic properties of triacetin in the temperature range 0-320 K, Zhur. Fiz. Khim., 1983, 57, 2867-2869. [all data]

Nilsson and Wadso, 1986
Nilsson, S.-O.; Wadso, I., Thermodynamic properties of some mono-, di-, and tri esters. Enthalpies of solution in water at 288.15 to 318.15 K and enthalpies of vaporization and heat capacities at 298.15 K, J. Chem. Thermodyn., 1986, 18, 673-681. [all data]

Fuchs, 1979
Fuchs, R., Heat capacities of some liquid aliphatic, alicyclic, and aromatic esters at 298.15 K, J. Chem. Thermodyn., 1979, 11, 959-961. [all data]

Hutchings, Nicklasson, et al., 1993
Hutchings, D.; Nicklasson, M.; Sakr, A.A., Pharazie, 1993, 38, 912-4. [all data]

Yumashev, Demchenko, et al., 1984
Yumashev, N.V.; Demchenko, M.D.; Libov, V.S.; Miroshnichenko, E.; Perova, T.S.; Agich, A.A., Zh. Obshch. Khim., 1984, 54, 743-7. [all data]

Baur, 1954
Baur, F.J., J. Phys. Chem., 1954, 58, 380. [all data]

Hancock, Sylvester, et al., 1948
Hancock, B.; Sylvester, D.M.; Forman, S.E., Crystalization fo Triacetin, J. Am. Chem. Soc., 1948, 70, 425. [all data]

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]

Rabinovich, Khlyustova, et al., 1983, 2
Rabinovich, I.B.; Khlyustova, T.B.; Mochalov, A.N.; Kokurina, N.Y., The Heat Capacity and Thermodynamic Properties of Triacetin in the Temperature Rante 0 - 320 K, Zh. Fiz. Khim., 1983, 57, 2867. [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]

Woodman and Adicoff, 1963
Woodman, A.L.; Adicoff, A., Vapor pressure of triacetin, triethylene glycol dinitrte, and metriol trinitrate, J. Chem. Eng. Data, 1963, 8, 241-242. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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