4-Aminobutanoic acid

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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δsub140. ± 2.kJ/molCSkoulika and Sabbah, 1983see Skoulika and Sabbah, 1982; ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
87. ± 2.493. - 500.Legendre, Bac, et al., 2009AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
139. ± 4.460. - 475.N/ALegendre, Bac, et al., 2009AC
138.9 ± 0.6395.CSkoulika and Sabbah, 1983Based on data from 384. - 407. K.; AC
140. ± 2.395.CSkoulika and Sabbah, 1983AC

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.

Skoulika and Sabbah, 1983
Skoulika, S.; Sabbah, R., Thermodynamique de composes azotes X. Etude thermochimique de quelques acides ω-amines, Thermochim. Acta, 1983, 61, 203-214. [all data]

Skoulika and Sabbah, 1982
Skoulika, S.; Sabbah, R., Enthalpy of formation of some ω-amino acids in the solid state, C. R. Seances Acad. Sci., Ser. 2, 1982, 295, 657-660. [all data]

Legendre, Bac, et al., 2009
Legendre, B.; Bac, P.; German, M.; Feutelais, Yves, Low pressure phases, J Therm Anal Calorim, 2009, 98, 1, 91-95, https://doi.org/10.1007/s10973-009-0401-0 . [all data]


Notes

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