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Ethyl orthoformate

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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 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
Deltavap46. ± 3.kJ/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
49.0308.AStephenson and Malanowski, 1987Based on data from 293. - 323. K.; AC
47.2293.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 (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
278.7 - 419.4.841521821.195-42.668Stull, 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:


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.

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]


Notes

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