2H-1-Benzopyran, 3,4-dihydro-

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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
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus269.836KN/AChirico, Nguyen, et al., 1986DH
Quantity Value Units Method Reference Comment
Deltavap56.7kJ/molVChirico, Archer, et al., 1990ALS
Deltavap56.7kJ/molN/AChirico, Archer, et al., 1990DRB
Quantity Value Units Method Reference Comment
Deltasub56.7 ± 0.1kJ/molIPM,EBChirico, Archer, et al., 1990Based on data from 293. - 535. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
487.70.989Weast and Grasselli, 1989BS
371.70.024Weast and Grasselli, 1989BS

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
55.2 ± 0.1320.IPM,EBChirico, Archer, et al., 1990Based on data from 293. - 535. K.; AC
52.7 ± 0.1360.IPM,EBChirico, Archer, et al., 1990Based on data from 293. - 535. K.; AC
50.2 ± 0.1400.IPM,EBChirico, Archer, et al., 1990Based on data from 293. - 535. K.; AC
48.9 ± 0.1440.IPM,EBChirico, Archer, et al., 1990Based on data from 293. - 535. K.; AC
45.1 ± 0.3480.IPM,EBChirico, Archer, et al., 1990Based on data from 293. - 535. K.; AC
42.5 ± 0.5520.IPM,EBChirico, Archer, et al., 1990Based on data from 293. - 535. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
16.25537269.836Chirico, Archer, et al., 1990DH
16.26269.8Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
60.242269.836Chirico, Archer, et al., 1990DH

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.

Chirico, Nguyen, et al., 1986
Chirico, R.D.; Nguyen, A.; Steele, W.V.; Strube, M.M.; Hossenlopp, I.A.; Gammon, B.E., Thermochemical and thermophysical properties of organic compounds derived from fossil substances. Chemical thermodynamic properties of organic oxygen compounds found in fossil materials, NIPER Report, 1986, 135, 42p. [all data]

Chirico, Archer, et al., 1990
Chirico, R.D.; Archer, D.G.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V.; Gammon, B.E., The thermodynamic properties of chroman and isochroman, J. Chem. Thermodyn., 1990, 22, 665-682. [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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