Benzoic acid, 3,4-dihydroxy-

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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 by: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub135.1 ± 1.2kJ/molMEMonte, Gonc«807»alves, et al., 2010Based on data from 387. to 403. K.

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
132.3 ± 1.2395.MEMonte, Gonc«807»alves, et al., 2010Based on data from 387. to 403. K.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference
31.2472.3DSCQueimada, Mota, et al., 2009

Gas Chromatography

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApieson L140.1557.Hedin, Minyard, et al., 1967Nitrogen, Chromosorb W HMDS (60-80 mesh); Column length: 1.8 m

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.

Monte, Gonc«807»alves, et al., 2010
Monte, Manuel J.S.; Gonc«807»alves, Mariana V.; Ribeiro da Silva, Maria D.M.C., Vapor Pressures and Enthalpies of Combustion of the Dihydroxybenzoic Acid Isomers, J. Chem. Eng. Data, 2010, 55, 6, 2246-2251, https://doi.org/10.1021/je900777q . [all data]

Queimada, Mota, et al., 2009
Queimada, Antonio J.; Mota, Fatima L.; Pinho, Simao P.; Macedo, Eugenia A., Solubilities of Biologically Active Phenolic Compounds: Measurements and Modeling, J. Phys. Chem. B, 2009, 113, 11, 3469-3476, https://doi.org/10.1021/jp808683y . [all data]

Hedin, Minyard, et al., 1967
Hedin, P.A.; Minyard, J.P.; Thompson, A.C., Chromatographic and spectral analysis of phenolic acids and related compounds, J. Chromatogr., 1967, 30, 43-53, https://doi.org/10.1016/S0021-9673(00)84111-4 . [all data]


Notes

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