Phenol, 2-methyl-5-(1-methylethyl)-

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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-194.2kJ/molCcbBertholon, Giray, et al., 1971see Lamartine and Perrin, 1969

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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-270.kJ/molCcbBertholon, Giray, et al., 1971see Lamartine and Perrin, 1969
Quantity Value Units Method Reference Comment
Δcliquid-5665.kJ/molCcbBertholon, Giray, et al., 1971see Lamartine and Perrin, 1969; Corresponding Δfliquid = -270. kJ/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-5650. ± 10.kJ/molCcbLamartine and Perrin, 1969Corresponding Δfliquid = -290. kJ/mol (simple calculation by NIST; no Washburn corrections)

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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil510. ± 1.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus276.65KN/AKarr, 1957Uncertainty assigned by TRC = 2. K; TRC
Tfus276.65KN/ACarpenter and Easter, 1955Uncertainty assigned by TRC = 2. K; TRC
Tfus273.65KN/AGardner, Procofief, et al., 1935Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Δvap68.2kJ/molGCvan Roon, Parsons, et al., 2002AC
Δvap77.74kJ/molCBertholon, Giray, et al., 1971see Lamartine and Perrin, 1969; ALS
Δvap75.8kJ/molN/ABertholon, Giray, et al., 1971DRB
Δvap59. ± 3.kJ/molVLamartine and Perrin, 1969ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
56.5358.AStephenson and Malanowski, 1987Based on data from 343. to 510. K. See also Stull, 1947.; AC
59.4402.EBLamartine and Perrin, 1969, 2Based on data from 387. to 512. 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
343. to 510.5.341792549.857-32.705Stull, 1947Coefficents 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:


References

Go To: Top, Gas phase thermochemistry data, 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.

Bertholon, Giray, et al., 1971
Bertholon, G.; Giray, M.; Perrin, R.; Vincent-Falquet-Berny, M.F., No. 532. - Etude physicochimique des phenols. OX. - Ethanlpies de combustion et energies de resonance des alcoyl et aryphenols, Bull. Soc. Chim. France, 1971, 3180-3187. [all data]

Lamartine and Perrin, 1969
Lamartine, R.; Perrin, R., Etude physiocochimique des phenols. VIII. Caracterisation physicochimique des methyl-2 isopropylphenols ou carvacrols, Bull. Soc. Chim. France, 1969, 10, 443-445. [all data]

Karr, 1957
Karr, C., , U. S. Bur. Mines, Inform. Circ. IC 7802, 1957. [all data]

Carpenter and Easter, 1955
Carpenter; Easter, J. Org. Chem., 1955, 20, 401. [all data]

Gardner, Procofief, et al., 1935
Gardner; Procofief; Jusov; Casselli, C. R. Hebd. Seances Acad. Sci., 1935, 200, 1114. [all data]

van Roon, Parsons, et al., 2002
van Roon, André; Parsons, John R.; Govers, Harrie A.J., Gas chromatographic determination of vapour pressure and related thermodynamic properties of monoterpenes and biogenically related compounds, Journal of Chromatography A, 2002, 955, 1, 105-115, https://doi.org/10.1016/S0021-9673(02)00200-5 . [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Lamartine and Perrin, 1969, 2
Lamartine, R.; Perrin, R., Bull. Soc. Chim. Fr., 1969, 2, 443. [all data]


Notes

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