Hydroquinone

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Phase change data

Go To: Top, Gas phase ion energetics data, Gas Chromatography, References, Notes

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
Tboil558.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil558.2KN/AKrupatkin and Rozhentsova, 1971Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tfus445.0KN/ABret-Dibat and Lichanot, 1989Crystal phase 1 phase; Uncertainty assigned by TRC = 0.6 K; TRC
Tfus445.KN/ABuckingham and Donaghy, 1982BS
Tfus443.5KN/AKrupatkin and Rozhentsova, 1971Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Ttriple445.98KN/ASabbah and Buluku, 1991Uncertainty assigned by TRC = 0.03 K; TRC
Ttriple445.5KN/AAndrews, Lynn, et al., 1926Uncertainty assigned by TRC = 0.3 K; obtained from cooling curve in absence of air; TRC
Quantity Value Units Method Reference Comment
Δvap20.2 ± 0.2kcal/molN/AVerevkin and Kozlova, 2008AC
Quantity Value Units Method Reference Comment
Δsub22.50 ± 0.13kcal/molCSabbah and Buluku, 1991, 2ΔHfusion =21.09±0.4 kJ/mol; ALS
Δsub22.5kcal/molN/ASabbah and Buluku, 1991, 2DRB
Δsub22.5 ± 0.1kcal/molCSabbah and Buluku, 1991, 2AC
Δsub23.70 ± 0.40kcal/molCMagnus, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = 24.8 kcal/mol; ALS
Δsub24.800kcal/molVCoolidge and Coolidge, 1927ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
558.20.961Weast and Grasselli, 1989BS
558.0.961Buckingham and Donaghy, 1982BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
16.8463.AStephenson and Malanowski, 1987Based on data from 448. to 559. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
432.3 to 559.5.88903049.481-40.485von Terres, Gebert, et al., 1955Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
24.04 ± 0.31332.N/AChen, Oja, et al., 2006Based on data from 325. to 339. K.; AC
22.4 ± 0.1334.CSabbah and Buluku, 1991, 2AC
24.21341. to 400.GSBender, Bieling, et al., 1983AC
24.8 ± 0.2342.ME,TEde Kruif, 1981AC
24.81313.N/AMagnus, 1956Based on data from 298. to 346. K.; AC
23.7 ± 0.4351.VWolf and Weghofer, 1938ALS
24.81326. to 345.QFCoolidge and Coolidge, 1927AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
6.3337444.95N/ABret-Dibat and Lichanot, 1989, 2DH
6.508445.1N/AVerevkin and Kozlova, 2008AC
6.329453.N/ABret-Dibat and Lichanot, 1989, 2AC
6.4794445.5N/AAndrews, Lynn, et al., 1926, 2DH
6.479445.1CAndrews, Lynn, et al., 1926, 2AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
14.444.95Bret-Dibat and Lichanot, 1989, 2DH
14.6445.5Andrews, Lynn, et al., 1926, 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:


Gas phase ion energetics data

Go To: Top, Phase change data, Gas Chromatography, References, Notes

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

Data evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C6H6O2+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)7.94 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
7.93 ± 0.01SOikawa, Abe, et al., 1985LBLHLM
7.95 ± 0.05PIPotapov, Kardash, et al., 1972LLK
7.95 ± 0.03PIPotapov and Sorokin, 1971LLK
8.44PEPalmer, Moyes, et al., 1979Vertical value; LLK

De-protonation reactions

C6H5O2- + Hydrogen cation = Hydroquinone

By formula: C6H5O2- + H+ = C6H6O2

Quantity Value Units Method Reference Comment
Δr350.4 ± 2.1kcal/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr343.1 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B

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

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedOV-1180.1327.Radecki and Grzybowski, 1978Chromosorb W HMDS (100-120 mesh); Column length: 2.1 m

Kovats' RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
PackedSE-301334.Grzybowski, Lamparczyk, et al., 1980Chromosorb W HMDS (80-100 mesh); Column length: 2.9 m; Program: not specified

Van Den Dool and Kratz RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax2693.Shiratsuchi, Shimoda, et al., 199360. m/0.25 mm/0.25 μm, 50. C @ 4. min, 2. K/min, 230. C @ 30. min
CapillaryDB-Wax2693.Shiratsuchi, Shimoda, et al., 199360. m/0.25 mm/0.25 μm, 50. C @ 4. min, 2. K/min, 230. C @ 30. min

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-5 MS1241.Xian, Chen, et al., 200630. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (3 min) 6 0C/min -> 150 0C (1 min) 10 0C/min -> 250 0C (10 min)
CapillarySE-301334.Peterson, 1992Program: not specified

Lee's RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-5220.6Wang, Hou, et al., 200730. m/0.30 mm/0.25 μm, Helium, 50. C @ 5. min, 5. K/min, 200. C @ 15. min
CapillaryDB-5207.49Williams and Horne, 1995He, 60. C @ 2. min, 5. K/min; Column length: 25. m; Column diameter: 0.3 mm; Tend: 270. C

References

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, 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]

Krupatkin and Rozhentsova, 1971
Krupatkin, I.L.; Rozhentsova, E.P., Some properties of systems with latent liquid immiscibility, Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 1700. [all data]

Bret-Dibat and Lichanot, 1989
Bret-Dibat, P.; Lichanot, A., Proprietes thermodynamiques des isomeres de position de benzenes disubstitues en phase condensee, Thermochim. Acta, 1989, 147, 2, 261, https://doi.org/10.1016/0040-6031(89)85181-0 . [all data]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Sabbah and Buluku, 1991
Sabbah, R.; Buluku, E.N.L.E., Thermodynamic stury of the three isomers of dihydroxybenzene, Can. J. Chem., 1991, 69, 481. [all data]

Andrews, Lynn, et al., 1926
Andrews, D.H.; Lynn, G.; Johnston, J., The Heat Capacities and Heat of Crystallization of Some Isomeric Aromatic Compounds, J. Am. Chem. Soc., 1926, 48, 1274. [all data]

Verevkin and Kozlova, 2008
Verevkin, Sergey P.; Kozlova, Svetlana A., Di-hydroxybenzenes: Catechol, resorcinol, and hydroquinone, Thermochimica Acta, 2008, 471, 1-2, 33-42, https://doi.org/10.1016/j.tca.2008.02.016 . [all data]

Sabbah and Buluku, 1991, 2
Sabbah, R.; Buluku, E.N.L.E., Thermodynamic study of three isomers of dihydroxybenzene, Can. J. Chem., 1991, 69, 481-488. [all data]

Magnus, 1956
Magnus, A., Die resonanzenergien der parachinone Aui grund der prazisionsmessungsen ihrer verbrennungswarmen durch herrn gerhard wittwer, Z. Phys. Chem. (Neue Folge), 1956, 9, 141-161. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Coolidge and Coolidge, 1927
Coolidge, A.S.; Coolidge, M.S., The sublimation pressures of substituted quinones and hydroquinones, J. Am. Chem. Soc., 1927, 49, 100-104. [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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

von Terres, Gebert, et al., 1955
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W., Zur Kenntnis der physikalisch-chemischen Grundlagen der Gewinnung und Zerlegung der Phenolfraktionen von Steinkohlenteer und Braunkohlenschwelteer. IV. Mitteilung Die Dampfdrucke von Phenol und Phenolderivaten, Brennst.-Chem., 1955, 36, 272-274. [all data]

Chen, Oja, et al., 2006
Chen, Xu; Oja, Vahur; Chan, W. Geoffrey; Hajaligol, Mohammad R., Vapor Pressure Characterization of Several Phenolics and Polyhydric Compounds by Knudsen Effusion Method, J. Chem. Eng. Data, 2006, 51, 2, 386-391, https://doi.org/10.1021/je050293h . [all data]

Bender, Bieling, et al., 1983
Bender, R.; Bieling, V.; Maurer, G., The vapour pressures of solids: anthracene, hydroquinone, and resorcinol, The Journal of Chemical Thermodynamics, 1983, 15, 6, 585-594, https://doi.org/10.1016/0021-9614(83)90058-7 . [all data]

de Kruif, 1981
de Kruif, C.G., Thermodynamic properties of 1,4-benzoquinone (BQ), 1,4-hydroquinone (HQ), 1,4-naphthoquinone (NQ), 1,4-naphthohydroquinone (NHQ), and the complexes BQ--HQ 1:1, NQ--HQ 1:1, NQ--NHQ 2:1, and NQ--NHQ 1:1, J. Chem. Phys., 1981, 74, 10, 5838, https://doi.org/10.1063/1.440898 . [all data]

Wolf and Weghofer, 1938
Wolf, K.L.; Weghofer, H., Uber sublimationswarmen, Z. Phys. Chem., 1938, 39, 194-208. [all data]

Bret-Dibat and Lichanot, 1989, 2
Bret-Dibat, P.; Lichanot, A., Thermodynamic properties of positional isomers of disubstituted benzene in condensed phase, Thermochim. Acta, 1989, 147(2), 261-271. [all data]

Andrews, Lynn, et al., 1926, 2
Andrews, D.H.; Lynn, G.; Johnston, J., The heat capacities and heat of crystallization of some isomeric aromatic compounds, J. Am. Chem. Soc., 1926, 48, 1274-1287. [all data]

Oikawa, Abe, et al., 1985
Oikawa, A.; Abe, H.; Mikami, N.; Ito, M., Electronic spectra and ionization potentials of rotational isomers of severaldDisubstituted benzenes, Chem. Phys. Lett., 1985, 116, 50. [all data]

Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I., Photoionization of heteroaromatic compounds, Khim. Vys. Energ., 1972, 6, 392. [all data]

Potapov and Sorokin, 1971
Potapov, V.K.; Sorokin, V.V., Photoionization and ion-molecule reactions in quinones and alcohols, High Energy Chem., 1971, 5, 435, In original 487. [all data]

Palmer, Moyes, et al., 1979
Palmer, M.H.; Moyes, W.; Speirs, M.; Ridyard, J.N.A., The electronic structure of substituted benzenes; ab initio calculations and photoelectron spectra for phenol, the methyl- and fluoro-derivatives, and the dihydroxybenzenes, J. Mol. Struct., 1979, 52, 293. [all data]

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

Radecki and Grzybowski, 1978
Radecki, A.; Grzybowski, J., Linear relationship between retention indices and chemical structure of phenols, J. Chromatogr., 1978, 152, 1, 211-213, https://doi.org/10.1016/S0021-9673(00)85352-2 . [all data]

Grzybowski, Lamparczyk, et al., 1980
Grzybowski, J.; Lamparczyk, H.; Nasal, A.; Radecki, A., Relationship between the retention indices of phenols on polar and non-polar stationary phases, J. Chromatogr., 1980, 196, 2, 217-223, https://doi.org/10.1016/S0021-9673(00)80441-0 . [all data]

Shiratsuchi, Shimoda, et al., 1993
Shiratsuchi, H.; Shimoda, M.; Minegishi, Y.; Osajima, Y., Isolation and identification of volatile flavor compounds in nonfermented coarse-cut sausage. Flavor as a quality factor of nonfermented sausage. 1, J. Agric. Food Chem., 1993, 41, 4, 647-652, https://doi.org/10.1021/jf00028a027 . [all data]

Xian, Chen, et al., 2006
Xian, Q.-M.; Chen, H.-D.; Zou, H.-H., Allelopathic activity of volatile substance from submerged macrophytes on Microcystin aeruginosa, Acta Ecologica Sinica, 2006, 26, 11, 3549-3554, https://doi.org/10.1016/S1872-2032(06)60054-1 . [all data]

Peterson, 1992
Peterson, K.L., Counter-Propagation Neural Networks in the Modeling and Prediction of Kovats Indices for Substituted Phenols, Anal. Chem., 1992, 64, 4, 379-386, https://doi.org/10.1021/ac00028a011 . [all data]

Wang, Hou, et al., 2007
Wang, G.; Hou, Z.; Sun, Y.; Liu, Y.; Xie, B.; Liu, S., Investigation of pyrolysis behavior of fenoxycarb using PY-GC-MS assisted with chemometric methods, Chem. Anal., 2007, 52, 141-156. [all data]

Williams and Horne, 1995
Williams, P.T.; Horne, P.A., Analysis of aromatic hydrocarbons in pyrolytic oil derived from biomass, J. Anal. Appl. Pyrolysis, 1995, 31, 15-37, https://doi.org/10.1016/0165-2370(94)00814-H . [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References