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Naphthalene, 2-methyl-

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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, Kenneth Kroenlein director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil514. ± 1.KAVGN/AAverage of 15 out of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus307. ± 1.KAVGN/AAverage of 15 out of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple307.7200KN/AMcCullough, Finke, et al., 1957Crystal phase 1 phase; Uncertainty assigned by TRC = 0.08 K; TRC
Ttriple307.7200KN/AMcCullough, Finke, et al., 1957Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple307.2KN/AHuffman, Parks, et al., 1931Uncertainty assigned by TRC = 0.25 K; TRC
Quantity Value Units Method Reference Comment
Tc761. ± 1.KN/ATsonopoulos and Ambrose, 1995 
Tc761.15KN/AAmbrose, 1963Uncertainty assigned by TRC = 1.5 K; TRC
Tc764.55KN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc32.9306barN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 1.5199 bar; TRC
Quantity Value Units Method Reference Comment
Deltavap45.31kJ/molCGlaser and Ruland, 1957ALS
Quantity Value Units Method Reference Comment
Deltasub65.69 ± 0.84kJ/molCSabbah, Chastel, et al., 1974ALS
Deltasub71.3 ± 2.1kJ/molVSperos and Rossini, 1960Hfusion=2.83±0.01; ALS
Deltasub71.2kJ/molN/ASperos and Rossini, 1960DRB

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
51.2438.A,GSStephenson and Malanowski, 1987Based on data from 423. - 515. K. See also Camin and Rossini, 1955.; AC
48.4465.N/AWieczorek and Kobayashi, 1981Based on data from 424. - 535. K.; AC
46.4505.N/AWieczorek and Kobayashi, 1981Based on data from 424. - 535. K.; AC

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
412.34 - 514.914.19341840.268-74.755Camin and Rossini, 1955

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
61.71 ± 0.84283.VKaryakin, Rabinovich, et al., 1968ALS

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
12.13307.7Domalski and Hearing, 1996AC
11.966307.2Huffman, Parks, et al., 1931, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
39.0307.2Huffman, Parks, et al., 1931, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
19.43288.5Domalski and Hearing, 1996CAL
39.43307.7

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
5.606288.5crystaline, IIcrystaline, IMcCullough, Finke, et al., 1957, 2DH
12.125307.73crystaline, IliquidMcCullough, Finke, et al., 1957, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
19.43288.5crystaline, IIcrystaline, IMcCullough, Finke, et al., 1957, 2DH
39.40307.73crystaline, IliquidMcCullough, Finke, et al., 1957, 2DH

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, Phase change data, Notes

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

McCullough, Finke, et al., 1957
McCullough, J.P.; Finke, H.L.; Messerly, J.F.; Todd, S.S.; Kincheloe, T.C.; Waddington, G., The Low-Temperature Thermodynamic Properties of Naphthalene, 1-Methylnaphthalene, 2-Methylnaphthalene, 1,2,3,4-tetrahydro- naphthalene, trans-decahydronaphthalene and cis-Decahydronaphthalene, J. Phys. Chem., 1957, 61, 1105. [all data]

Huffman, Parks, et al., 1931
Huffman, H.M.; Parks, G.S.; Barmore, M., Thermal Data on Organic Compounds X. Further Studies on the Heat Capacities, Entropies, and Free Energies of Hydrocarbons, J. Am. Chem. Soc., 1931, 53, 3876-88. [all data]

Tsonopoulos and Ambrose, 1995
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 3. Aromatic Hydrocarbons, J. Chem. Eng. Data, 1995, 40, 547-558. [all data]

Ambrose, 1963
Ambrose, D., Critical Temperatures of Some Phenols and Other Organic Compounds, Trans. Faraday Soc., 1963, 59, 1988. [all data]

Glaser and Ruland, 1957
Glaser, F.; Ruland, H., Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen, Chem. Ing. Techn., 1957, 29, 772. [all data]

Sabbah, Chastel, et al., 1974
Sabbah, R.; Chastel, R.; Laffitte, M., Thermochemical study of methyl naphthalenes, Thermochim. Acta, 1974, 10, 353-358. [all data]

Speros and Rossini, 1960
Speros, D.M.; Rossini, F.D., Heats of combustion and formation of naphthalene, the two methylnaphthalenes, cis and trans decahydronaphthalene and related compounds, J. Phys. Chem., 1960, 64, 1723-1727. [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]

Camin and Rossini, 1955
Camin, David L.; Rossini, Frederick D., Physical Properties of Fourteen API Research Hydrocarbons, C 9 to C 15, J. Phys. Chem., 1955, 59, 11, 1173-1179, https://doi.org/10.1021/j150533a014 . [all data]

Wieczorek and Kobayashi, 1981
Wieczorek, Stefan A.; Kobayashi, Riki, Vapor-pressure measurements of 1-methylnaphthalene, 2-methylnaphthalene, and 9,10-dihydrophenanthrene at elevated temperatures, J. Chem. Eng. Data, 1981, 26, 1, 8-11, https://doi.org/10.1021/je00023a005 . [all data]

Karyakin, Rabinovich, et al., 1968
Karyakin, N.V.; Rabinovich, I.B.; Pakhomov, L.G., Heats of sublimation of naphthalene and its monosubstituted «beta»-derivatives, Russ. J. Phys. Chem. (Engl. Transl.), 1968, 42, 954. [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]

Huffman, Parks, et al., 1931, 2
Huffman, H.M.; Parks, G.S.; Barmore, M., Thermal data on organic compounds. X. Further studies on the heat capacities, entropies and free energies of hydrocarbons, J. Am. Chem. Soc., 1931, 53, 3876-3888. [all data]

McCullough, Finke, et al., 1957, 2
McCullough, J.P.; Finke, H.L.; Messerly, J.F.; Kincheloe, T.C.; Waddington, G., The low temperature thermodynamic properties of naphthalene, 1-methylnaphthalene, 2-methylnaphthalene, 1,2,3,4-tetrahydronaphthalene, trans-decahydronaphthalene and cis-decahydronaphthalene, J. Phys. Chem., 1957, 61, 1105-1116. [all data]


Notes

Go To: Top, Phase change data, References