Pyridine, 5-ethyl-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, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil451.5KN/AWeast and Grasselli, 1989BS
Tboil449.15KN/AFarberov, Kut'in, et al., 1961Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Δvap46.3 ± 0.4kJ/molVGubareva, Gerasimov, et al., 1992ALS
Δvap46.3kJ/molN/AGubareva, Gerasimov, et al., 1992DRB

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
45.4363.AStephenson and Malanowski, 1987Based on data from 348. to 451. K.; AC
51.6264.GSVan de Rostyne and Prausnitz, 1980Based on data from 253. to 276. 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 Comment
325.1 to 449.812.75364805.918-159.98Frolov, Loginova, et al., 1961Coefficents calculated by NIST from author's data.

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:


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

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Farberov, Kut'in, et al., 1961
Farberov, M.I.; Kut'in, A.M.; Ustavshchikov, V.F., The conditions of 2-methyl-5-vinylprydine synthesis, Zh. Prikl. Khim. (Leningrad), 1961, 34, 632. [all data]

Gubareva, Gerasimov, et al., 1992
Gubareva, A.I.; Gerasimov, P.A.; Tarbeyeva, N.A.; Kunderenko, V.M., Physicochemical Properties of 2-methyl-5-ethylpyridine, Khim.-Farm. Zh., 1992, 26, 40-41. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, . [all data]

Van de Rostyne and Prausnitz, 1980
Van de Rostyne, Catherine; Prausnitz, John M., Vapor pressures of some nitrogen-containing, coal-derived liquids, J. Chem. Eng. Data, 1980, 25, 1, 1-3, . [all data]

Frolov, Loginova, et al., 1961
Frolov, A.F.; Loginova, M.A.; Kiselev, M.M., Saturated Vapor Pressure and Vapor-Liquid Equilibrium of the System 2-Methyl-5-Vinylpyridine-2-Methyl-5-Ethylpyridine, Zh. Fiz. Khim., 1961, 35, 8, 1784-1788. [all data]


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