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Hexane, 2,2,4-trimethyl-

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

Quantity Value Units Method Reference Comment
Tboil399.6 ± 0.4KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus153.15KN/AStreiff, Zimmerman, et al., 1948Uncertainty assigned by TRC = 0.4 K; TRC
Tfus149.75KN/AHoward, Mears, et al., 1947Uncertainty assigned by TRC = 0.2 K; TRC
Tfus149.77KN/ABrooks, 1943Uncertainty assigned by TRC = 1.5 K; TRC
Tfus143.62KN/ABrooks, Cleaton, et al., 1937Uncertainty assigned by TRC = 0.6 K; identification somewhat uncertain; TRC
Quantity Value Units Method Reference Comment
Deltavap40.7kJ/molN/AReid, 1972AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
39.5303.AStephenson and Malanowski, 1987Based on data from 288. - 410. K.; AC
41.0278.AStephenson and Malanowski, 1987Based on data from 238. - 393. K.; AC
40.5288.IPOsborn and Douslin, 1974Based on data from 238. - 303. 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
238. - 303.4.314841528.134-42.976Osborn and Douslin, 1974Coefficents 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, Phase change data, Notes

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

Streiff, Zimmerman, et al., 1948
Streiff, A.J.; Zimmerman, J.C.; Soule, L.F.; Butt, M.T.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D., Purification, Purity, and Freezing Points of 30 Hydrocarbons of the API-Standard and API-NBS Series, J. Res. Natl. Bur. Stand. (U. S.), 1948, 41, 323. [all data]

Howard, Mears, et al., 1947
Howard, F.L.; Mears, T.W.; Fookson, A.; Pomerantz, P.; Brooks, D.B., Preparation and physical properties of several aliphatic hydrocarbons and intermediates, J. Res. Natl. Bur. Stand. (U. S.), 1947, 38, 365. [all data]

Brooks, 1943
Brooks, D.B., , Natl. Advis. Comm. Aeronaut., Rep. Natl. Bur. Stand., Was hington, D. C., 1943. [all data]

Brooks, Cleaton, et al., 1937
Brooks, D.B.; Cleaton, R.B.; Carter, F.R., Paraffin Hydrocarbons Isolated from Crude Synthetic Isooctane (2,2,4-Trimethylpentane), J. Res. Natl. Bur. Stand. (U. S.), 1937, 19, 319. [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [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]

Osborn and Douslin, 1974
Osborn, Ann G.; Douslin, Donald R., Vapor-pressure relations for 15 hydrocarbons, J. Chem. Eng. Data, 1974, 19, 2, 114-117, https://doi.org/10.1021/je60061a022 . [all data]


Notes

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