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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil515.2KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus373.KN/ATurner, Meador, et al., 1957Uncertainty assigned by TRC = 2. K; TRC
Tfus303.65KN/ABirrrell, 1935Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Deltavap52.8kJ/molCGCChickos, Hesse, et al., 1998AC
Deltavap63.8 ± 0.2kJ/molVBauder and Gunthard, 1962ALS
Quantity Value Units Method Reference Comment
Deltasub80. ± 20.kJ/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
53.0384.AStephenson and Malanowski, 1987Based on data from 369. - 515. K.; AC
51.2457.EBMeyer and Gens, 1977Based on data from 442. - 534. K.; AC
55.5373.N/ABauder and G«65533»nthard, 1962Based on data from 373. - 423. K.; AC

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
78.4 ± 1.3303.HSAChickos, Hesse, et al., 1998Based on data from 283. - 326. K.; AC
82.8305.SStephenson and Malanowski, 1987Based on data from 290. - 372. K.; AC
75.8273.N/AHoyer and Peperle, 1958Based on data from 253. - 293. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
17.53373.5DSCChickos, Hesse, et al., 1998AC

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:


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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Turner, Meador, et al., 1957
Turner, R.B.; Meador, W.R.; Doering, W. vonE.; Knox, L.H.; Mayer, J.R.; Wiley, D.W., Heats of Hydrogenation III. Hydrogenation of Cyclooctatetraene and of Some Seven-membered Non-benzenoid Aromatic Compounds, J. Am. Chem. Soc., 1957, 79, 4127. [all data]

Birrrell, 1935
Birrrell, K.S., Studies in the Chemistry of Azulene, J. Am. Chem. Soc., 1935, 57, 893. [all data]

Chickos, Hesse, et al., 1998
Chickos, James; Hesse, Donald; Hosseini, Sarah; Nichols, Gary; Webb, Paul, Sublimation enthalpies at 298.15K using correlation gas chromatography and differential scanning calorimetry measurements, Thermochimica Acta, 1998, 313, 2, 101-110, . [all data]

Bauder and Gunthard, 1962
Bauder, A.; Gunthard, H.Hs., 196. Dampfdruck von azulen, Helv. Chim. Acta, 1962, 62, 1698. [all data]

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

Meyer and Gens, 1977
Meyer, Edwin F.; Gens, Timothy H., Vapor pressure of azulene between 114 and, J. Chem. Eng. Data, 1977, 22, 1, 30-31, . [all data]

Bauder and G«65533»nthard, 1962
Bauder, A.; G«65533»nthard, Hs.H., Dampfdruck von Azulen, Helv. Chim. Acta, 1962, 45, 5, 1698-1702, . [all data]

Hoyer and Peperle, 1958
Hoyer, H.; Peperle, W., Z. Elektrochem., 1958, 62, 61. [all data]


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