Benzene, 1,4-bis(1-methylethyl)-

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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
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil483.5KN/AWeast and Grasselli, 1989BS
Tboil483.52KN/AMelpolder, Woodbridge, et al., 1948Uncertainty assigned by TRC = 2. K; TRC
Tboil483.5KN/ANewton, 1943Uncertainty assigned by TRC = 2. K; TRC
Tboil477.KN/AToussaint and Hennion, 1940Uncertainty assigned by TRC = 8. K; TRC
Tboil477.65KN/AO'Connor and Sowa, 1938Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus256.07KN/AMcDonald, Shrader, et al., 1959Uncertainty assigned by TRC = 0.05 K; TRC
Tfus256.11KN/AStreiff, Hulme, et al., 1955Uncertainty assigned by TRC = 0.02 K; TRC
Tfus256.11KN/AStreiff, Hulme, et al., 1955Uncertainty assigned by TRC = 0.02 K; TRC
Tfus256.12KN/AStreiff, Hulme, et al., 1955Uncertainty assigned by TRC = 0.01 K; TRC
Tfus256.08KN/AMelpolder, Woodbridge, et al., 1948Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tc794.15KN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Pc97.7786barN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 4.053 bar; TRC
Quantity Value Units Method Reference Comment
Δvap56.5 ± 0.3kJ/molGSVerekin, 1998Based on data from 283. - 318. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
50.7 ± 0.2400.EBSteele, Chirico, et al., 2002Based on data from 366. - 530. K.; AC
46.3 ± 0.3440.EBSteele, Chirico, et al., 2002Based on data from 366. - 530. K.; AC
43.0 ± 0.5480.EBSteele, Chirico, et al., 2002Based on data from 366. - 530. K.; AC
39.3 ± 0.9520.EBSteele, Chirico, et al., 2002Based on data from 366. - 530. K.; AC
56.3 ± 0.3301.GSVerekin, 1998Based on data from 283. - 318. K.; AC
47.6408.AStephenson and Malanowski, 1987Based on data from 393. - 485. K.; AC
48.9408.N/AMcDonald, Shrader, et al., 1959, 2Based on data from 393. - 485. K. See also Boublik, Fried, et al., 1984.; 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
393.41 - 484.733.81761641.44-81.204McDonald, 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:


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 compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C12H18+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference
8.35PEBock, Kaim, et al., 1978

References

Go To: Top, Phase change data, Gas phase ion energetics data, Notes

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]

Melpolder, Woodbridge, et al., 1948
Melpolder, F.W.; Woodbridge, J.E.; Headington, C.E., The isolation and physical properties of the diisopropyl- benzenes, J. Am. Chem. Soc., 1948, 70, 935-9. [all data]

Newton, 1943
Newton, A., Polyisopropylbenzenes: I preparation and properties of two di-, two tri-, and one tetra-isopropylbenzene, J. Am. Chem. Soc., 1943, 65, 320-3. [all data]

Toussaint and Hennion, 1940
Toussaint, N.F.; Hennion, G.F., Alkylation of Benzene with Alcohols, Boron Fluoride, and Assistants, J. Am. Chem. Soc., 1940, 62, 1145. [all data]

O'Connor and Sowa, 1938
O'Connor, M.J.; Sowa, F.J., Organic Reactions with Boron Fluoride XVIII. The Reaction of ethers with Benzene, J. Am. Chem. Soc., 1938, 60, 125. [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]

Streiff, Hulme, et al., 1955
Streiff, A.J.; Hulme, A.R.; Cowie, P.A.; Krouskop, N.C.; Rossini, F.D., Purification, Purity, and Freezing Points of Sixty-four American Petroleum Institute Standard and Research Hydrocarbons, Anal. Chem., 1955, 27, 411. [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]

Verekin, 1998
Verekin, S.P., Thermochemical properties of isopropylbenzenes, Thermochim. Acta, 1998, 316, 131-136. [all data]

Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for 1,4-Diisopropylbenzene, 1,2,4,5-Tetraisopropylbenzene, Cyclohexanone Oxime, Dimethyl Malonate, Glutaric Acid, and Pimelic Acid, J. Chem. Eng. Data, 2002, 47, 4, 725-739, https://doi.org/10.1021/je010088b . [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]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Bock, Kaim, et al., 1978
Bock, H.; Kaim, W.; Rohwer, H.E., Die hyperkonjugative Stabilisierung von p-Xylol-Radikalkationen durch (H3C)3Si-Substituenten, Chem. Ber., 1978, 111, 3573. [all data]


Notes

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