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Phthalazine

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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.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus364.KN/ASabbah and Pemenzi, 1993Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Deltasub19.8 ± 0.5kcal/molAVGN/AAverage of 6 values; Individual data points

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
462.20.038Aldrich Chemical Company Inc., 1990BS
448.20.022Weast and Grasselli, 1989BS

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
3.184364.5Sabbah and Pemenzi, 1993AC

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
364.41crystalineliquidSabbah and Pemenzi, 1993, 2DH

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

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

Sabbah and Pemenzi, 1993
Sabbah, R.; Pemenzi, O., Energetics of intermolecular bonds in the three diazines: phthalazine, quinazoline and quinoxaline, C. R. Acad. Sci. Paris, Ser. II, 1993, 317, 5, 575. [all data]

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

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]

Sabbah and Pemenzi, 1993, 2
Sabbah, R.; Pemenzi, O., Energetique des liaisons intermoleculaires dans les molecules de phthalazine, quinazoline, and quinoxaline, Compt. Rend. Acad. Sci. Paris, Series II, 1993, 317, 575-581. [all data]


Notes

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