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Ethyl orthoformate

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Gas 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-150.7kcal/molN/AGutner, Lebedeva, et al., 1980Value computed using «DELTA»fHliquid° value of -675.8±0.8 kj/mol from Gutner, Lebedeva, et al., 1980 and «DELTA»vapH° value of 45.2 kj/mol from Hine and Klueppet, 1974.; DRB
Deltafgas-153.4kcal/molCmHine and Klueppet, 1974Heat of hydrolysis; ALS
Deltafgas-151.84 ± 0.90kcal/molCcbPihlaja and Tuomi, 1971ALS

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
Deltafliquid-161.5 ± 0.2kcal/molCcbGutner, Lebedeva, et al., 1980 
Deltafliquid-164.2kcal/molCmHine and Klueppet, 1974Heat of hydrolysis
Deltafliquid-162.84 ± 0.70kcal/molCcbPihlaja and Tuomi, 1971 
Quantity Value Units Method Reference Comment
Deltacliquid-1043.4 ± 0.2kcal/molCcbGutner, Lebedeva, et al., 1980Corresponding «DELTA»fliquid = -161.5 kcal/mol (simple calculation by NIST; no Washburn corrections)
Deltacliquid-1042.04 ± 0.70kcal/molCcbPihlaja and Tuomi, 1971Corresponding «DELTA»fliquid = -162.84 kcal/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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil419.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil417. - 419.KN/AFrinton Laboratories Inc., 1986BS
Tboil418.9KN/ALecat, 1943Uncertainty assigned by TRC = 0.3 K; TRC
Tboil418.KN/APfeiffer and Adkins, 1931Uncertainty assigned by TRC = 2.5 K; TRC
Tboil419.KN/ACarswell and Adkins, 1928Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Tfus197.1KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Deltavap11.1 ± 0.6kcal/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
11.7308.AStephenson and Malanowski, 1987Based on data from 293. - 323. K.; AC
11.3293.AStephenson and Malanowski, 1987Based on data from 278. - 419. K. See also Stull, 1947.; 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
278.7 - 419.4.835811821.195-42.668Stull, 1947Coefficents calculated by NIST from author's data.

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

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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

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

Ethyl orthoformate + Water = Ethyl formate + 2Ethanol

By formula: C7H16O3 + H2O = C3H6O2 + 2C2H6O

Quantity Value Units Method Reference Comment
Deltar-3.17 ± 0.19kcal/molCmHine and Klueppet, 1974liquid phase; Heat of hydrolysis

IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner SRD/NIST
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin EPA-IR VAPOR PHASE LIBRARY
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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 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 Japan AIST/NIMC Database- Spectrum MS-NW- 511
NIST MS number 227882

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.


Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryHP-5MS884.7Andriamaharavo, 201430. m/0.25 mm/0.25 «mu»m, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min)

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-Wax1274.Welke, Manfroi, et al., 201230. m/0.25 mm/0.25 «mu»m, Helium; Program: not specified

References

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

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

Gutner, Lebedeva, et al., 1980
Gutner, N.M.; Lebedeva, N.D.; Dobychin, S.L.; Kiseleva, N.N., Thermochemical study of aliphatic ethers, J. Appl. Chem. USSR, 1980, 53, 1523-1525. [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]

Pihlaja and Tuomi, 1971
Pihlaja, K.; Tuomi, M., Bond-bond interactions in organic oxygen compounds. Part V. Enthalpies of formation of methyl and ethyl orthoformates and the contributory group increments. The magnitude of the so-called rabbit-ear effect in acyclic oxygen compounds, Acta Chem. Scand., 1971, 25, 465-469. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Frinton Laboratories Inc., 1986
Frinton Laboratories Inc., Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [all data]

Lecat, 1943
Lecat, M., Negative and other Azeotropes, C. R. Hebd. Seances Acad. Sci., 1943, 217, 242. [all data]

Pfeiffer and Adkins, 1931
Pfeiffer, G.J.; Adkins, H., The Relation of the Structure of Ketones to Their Reactivity and Affinity in Acetal Formation II., J. Am. Chem. Soc., 1931, 53, 1043. [all data]

Carswell and Adkins, 1928
Carswell, H.E.; Adkins, H., The Relation of the Structure of Ketones to their Reactivity and Affinity in Acetal Formation, J. Am. Chem. Soc., 1928, 50, 235. [all data]

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Welke, Manfroi, et al., 2012
Welke, J.E.; Manfroi, V.; Zanus, M.; Lazarotto, M.; Zini, C.A., Characterization of the volatile profile of Brazilian merlot wines through comprehensive two dimensional gas chromatography time-of-flight mass spectrometric detection, J. Chromatogr. A, 2012, 1226, 124-139, https://doi.org/10.1016/j.chroma.2012.01.002 . [all data]


Notes

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