Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Propanoic acid, 2-methyl-, 2-methylpropyl ester

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change data

Go To: Top, 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, Kenneth Kroenlein 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
Tboil421. ± 1.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus192.50KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.15 K; TRC
Quantity Value Units Method Reference Comment
Tc601.89KN/ABrown, 1906Uncertainty assigned by TRC = 6. K; TRC
Quantity Value Units Method Reference Comment
Deltavap11.6kcal/molGSVerevkin and Emel'yanenko, 2008Based on data from 274. - 319. K.; AC
Deltavap10.63 ± 0.093kcal/molVVerevkin, Beckhaus, et al., 1996ALS
Deltavap10.6kcal/molN/AVerevkin, Beckhaus, et al., 1996DRB
Deltavap10.6 ± 0.02kcal/molGSVerevkin, Beckhaus, et al., 1996Based on data from 278. - 313. K.; AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
11.2292.AStephenson and Malanowski, 1987Based on data from 277. - 421. K. See also Stull, 1947.; AC

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
277.3 - 420.74.754621806.356-40.698Stull, 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:


Go To: Top, Phase change data, Notes

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

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

Brown, 1906
Brown, J.C., The critical temperature and value of ml/theta of some carbon compounds, J. Chem. Soc., Trans., 1906, 89, 311. [all data]

Verevkin and Emel'yanenko, 2008
Verevkin, Sergey P.; Emel'yanenko, Vladimir N., Transpiration method: Vapor pressures and enthalpies of vaporization of some low-boiling esters, Fluid Phase Equilibria, 2008, 266, 1-2, 64-75, https://doi.org/10.1016/j.fluid.2008.02.001 . [all data]

Verevkin, Beckhaus, et al., 1996
Verevkin, S.P.; Beckhaus, H.-D.; Belen'kaja, R.S.; Rakus, K.; Ruchardt, C., Geminal substituent effects Part 9. Standard enthalpies of formation and strain free increments of branched esters and ethers, Thermochim. Acta, 1996, 279, 47-64. [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]


Go To: Top, Phase change data, References