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Carbonic acid, dimethyl ester

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Phase change data

Go To: Top, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil363.5 ± 0.4KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus267.55KN/ABiltz, Fischer, et al., 1930Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tc557.KN/ASteele, Chirico, et al., 1997Uncertainty assigned by TRC = 2. K; TRC
Tc557.KN/ASteele, Chirico, et al., 1997, 2Uncertainty assigned by TRC = 2. K; same data as in 1997 stechi 0; TRC
Quantity Value Units Method Reference Comment
Pc47.37atmN/ASteele, Chirico, et al., 1997Uncertainty assigned by TRC = 1.48 atm; derived from fit of obs. vapor pressure; TRC
Pc47.37atmN/ASteele, Chirico, et al., 1997, 2Uncertainty assigned by TRC = 2.96 atm; same data as in 1997 stechi 0; TRC
Quantity Value Units Method Reference Comment
rhoc3.97mol/lN/ASteele, Chirico, et al., 1997Uncertainty assigned by TRC = 0.11 mol/l; TRC
rhoc3.80mol/lN/ASteele, Chirico, et al., 1997, 2Uncertainty assigned by TRC = 0.17 mol/l; same data as in 1997 stechi 0; TRC
Quantity Value Units Method Reference Comment
Deltavap9.08 ± 0.05kcal/molGSKozlova, Emel'yanenko, et al., 2008Based on data from 274. - 304. K.; AC
Deltavap9.01 ± 0.05kcal/molEBSteele, Chirico, et al., 1997, 3Based on data from 311. - 397. K. See also Steele, Chirico, et al., 1997, 4.; AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Reference Comment
8.70341.Rodriguez, Canosa, et al., 2002Based on data from 326. - 411. K.; AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
2.768278.2Ding, 2004AC

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:


Reaction thermochemistry data

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Tetramethyl orthocarbonate + Water = Carbonic acid, dimethyl ester + 2Methyl Alcohol

By formula: C5H12O4 + H2O = C3H6O3 + 2CH4O

Quantity Value Units Method Reference Comment
Deltar7.521 ± 0.011kcal/molCmWiberg, 1980liquid phase; solvent: Water; Hydroysis
Deltar-7.521 ± 0.011kcal/molCmWiberg and Squires, 1979liquid phase; solvent: Water; Hydrolysis
Deltar-7.43 ± 0.41kcal/molCmHine and Klueppet, 1974liquid phase

Propylene Carbonate + 2Methyl Alcohol = Propylene Glycol + Carbonic acid, dimethyl ester

By formula: C4H6O3 + 2CH4O = C3H8O2 + C3H6O3

Quantity Value Units Method Reference Comment
Deltar-1.66kcal/molKinZhang and Luo, 1991liquid phase

IR Spectrum

Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, References, Notes

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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 1992
NIST MS number 125434

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Biltz, Fischer, et al., 1930
Biltz, W.; Fischer, W.; Wunnenberg, E., Molecular and Atomic Volumes. The Volume Requirements of Crystalline Organic Compounds and Low Temperatures, Z. Phys. Chem., Abt. A, 1930, 151, 13-55. [all data]

Steele, Chirico, et al., 1997
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Vapor Pressure, Heat Capacity, and Density along the Saturated Line, Measurements for Dimethyl Isophthalate, Dimethyl Carbonate, 1,3,5-Trimethyl benzene, Pentafluorophenol, 4-tert-Butylcatechol, .alp, J. Chem. Eng. Data, 1997, 42, 1008-20. [all data]

Steele, Chirico, et al., 1997, 2
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K., Thermocynamic Properties and Ideal-Gas Enthalpies of Formation for Carbonate, Piperazine, Hexachloroprop-1-ene, Tetrakis(dimethylamino) ethylene, N,N'-Bis(2-hydroxyethyl)ethylenediamine, and 1,2,4-Tr, J. Chem. Eng. Data, 1997, 42, 1037-52. [all data]

Kozlova, Emel'yanenko, et al., 2008
Kozlova, Svetlana A.; Emel'yanenko, Vladimir N.; Georgieva, Miglena; Verevkin, Sergey P.; Chernyak, Yury; Schäffner, Benjamin; Börner, Armin, Vapour pressure and enthalpy of vaporization of aliphatic dialkyl carbonates, The Journal of Chemical Thermodynamics, 2008, 40, 7, 1136-1140, https://doi.org/10.1016/j.jct.2008.02.012 . [all data]

Steele, Chirico, et al., 1997, 3
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K., Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for Dicyclohexyl Sulfide, Diethylenetriamine, Di- n -octyl Sulfide, Dimethyl Carbonate, Piperazine, Hexachloroprop-1-ene, Tetrakis(dimethylamino)ethylene, N , N '-Bis-(2-hydroxyethyl)ethylenediamine, and 1,2,4-Triazolo[1,5- a ]pyrimidine, J. Chem. Eng. Data, 1997, 42, 6, 1037-1052, https://doi.org/10.1021/je9700986 . [all data]

Steele, Chirico, et al., 1997, 4
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Vapor Pressure, Heat Capacity, and Density along the Saturation Line, Measurements for Dimethyl Isophthalate, Dimethyl Carbonate, 1,3,5-Triethylbenzene, Pentafluorophenol, 4- tert -Butylcatechol, «alpha»-Methylstyrene, and N , N '-Bis(2-hydroxyethyl)ethylenediamine, J. Chem. Eng. Data, 1997, 42, 6, 1008-1020, https://doi.org/10.1021/je970102d . [all data]

Rodriguez, Canosa, et al., 2002
Rodriguez, A.; Canosa, J.; Dominguez, A.; Tojo, J., Isobaric vapour--liquid equilibria of dimethyl carbonate with alkanes and cyclohexane at 101.3 kPa, Fluid Phase Equilibria, 2002, 198, 1, 95-109, https://doi.org/10.1016/S0378-3812(01)00761-0 . [all data]

Ding, 2004
Ding, Michael S., Liquid-Solid Phase Equilibria and Thermodynamic Modeling for Binary Organic Carbonates, J. Chem. Eng. Data, 2004, 49, 2, 276-282, https://doi.org/10.1021/je034134e . [all data]

Wiberg, 1980
Wiberg, K.B., Energies of organic compounds, Rept. DOE-E(11-1)4060 Prepared for US Dept. of Energy by Yale Univ., New Haven, CT. Avail. NTIS, 1980, 1-24. [all data]

Wiberg and Squires, 1979
Wiberg, K.B.; Squires, R.R., A microprocessor-controlled system for precise measurement of temperature changes. Determination of the enthalpies of hydrolysis of some polyoxygenated hydrocarbons, J. Chem. Thermodyn., 1979, 11, 773-786. [all data]

Hine and Klueppet, 1974
Hine, J.; Klueppet, A.W., Structural effects on rates and equilibria. XVIII. Thermodynamic stability of ortho esters, J. Am. Chem. Soc., 1974, 96, 2924-2929. [all data]

Zhang and Luo, 1991
Zhang, S.; Luo, Y., Kinetics and technological conditions for the synthesis of dimethyl carbonate, Chem. React. Eng. Tech., 1991, 7, 10-19. [all data]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References