Benzene, 1,2-dimethoxy-

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Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δcliquid-4286.9 ± 2.1kJ/molCcbCass, Fletcher, et al., 1958Reanalyzed by Cox and Pilcher, 1970, Original value = -4284. ± 2. kJ/mol; Corresponding Δfliquid = -290.3 kJ/mol (simple calculation by NIST; no Washburn corrections)

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

Quantity Value Units Method Reference Comment
Tboil479.2KN/AWeast and Grasselli, 1989BS
Tboil480.KN/ABuckingham and Donaghy, 1982BS
Tboil299.95KN/ALecat, 1943Uncertainty assigned by TRC = 0.4 K; TRC
Tboil478.7KN/ALecat, 1927Uncertainty assigned by TRC = 0.5 K; TRC
Tboil480.25KN/APerkin, 1896Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tfus288.KN/ABuckingham and Donaghy, 1982BS
Tfus295.65KN/ADeffet, 1940Uncertainty assigned by TRC = 0.3 K; TRC
Tfus295.65KN/ACauwood and Turner, 1915Uncertainty assigned by TRC = 0.5 K; TRC
Tfus296.KN/ALouguinine and Dupont, 1911Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δvap68.1 ± 1.4kJ/molCMatos, Miranda, et al., 2000AC
Δvap66.9kJ/molVCass, Fletcher, et al., 1958ALS

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
363.20.013Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
52.7388.N/ABased on data from 373. to 468. K. See also Lee, Su, et al., 2004.; AC

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.

Cass, Fletcher, et al., 1958
Cass, R.C.; Fletcher, S.E.; Mortimer, C.T.; Quincey, P.G.; Springall, H.D., Heats of combustion and molecular structure. Part VI. The structure of some cyclic ethers of o-dihydroxybenzene, J. Chem. Soc., 1958, 2595-2597. [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]

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]

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

Lecat, 1943
Lecat, M., Azeotropes of Ethyl Urethane and other Azeotropes, C. R. Hebd. Seances Acad. Sci., 1943, 217, 273. [all data]

Lecat, 1927
Lecat, M., New binary azeotropes: 6th list, Ann. Soc. Sci. Bruxelles, Ser. B, 1927, 47, 63-71. [all data]

Perkin, 1896
Perkin, W.H., LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds, J. Chem. Soc., 1896, 69, 1025-1257. [all data]

Deffet, 1940
Deffet, L., Piezometric Research. Temperatures of Fusion and Transformation, Bull. Soc. Chim. Belg., 1940, 49, 223. [all data]

Cauwood and Turner, 1915
Cauwood, J.D.; Turner, W.E.S., XXXI. The Dielectric Constants of Some Organic Solvents at their Melting or Boiling Points, J. Chem. Soc., Trans., 1915, 107, 276. [all data]

Louguinine and Dupont, 1911
Louguinine, W.; Dupont, G., The heat of fusion of substances which melt at ordinary temperatures., Bull. Soc. Chim. Fr., 1911, 9, 219-224. [all data]

Matos, Miranda, et al., 2000
Matos, M.A.R.; Miranda, M.S.; Morais, V.M.F., Calorimetric and Theoretical Determination of Standard Enthalpies of Formation of Dimethoxy- and Trimethoxybenzene Isomers, J. Phys. Chem. A, 2000, 104, 40, 9260-9265, https://doi.org/10.1021/jp001928g . [all data]

Lee, Su, et al., 2004
Lee, Ming-Jer; Su, Chang-Ching; Lin, Ho-mu, Isothermal Vapor-Liquid Equilibria for Binary Mixtures Composed of the Closely Boiling Compounds 1,2-Dimethoxybenzene and 2-Methoxyphenol with an Adducted Agent: tert -Butanol or Morpholine, J. Chem. Eng. Data, 2004, 49, 3, 588-593, https://doi.org/10.1021/je0302349 . [all data]


Notes

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