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

Formic acid, 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 - R.L. Brown and S.E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, M. Frenkel director
ALS - H.Y. Afeefy, J.F. Liebman, and S.E. Stein
AC - W.E. Acree, Jr., J.S. Chickos

Tboil371. ± 1.KAVGN/AAverage of 13 values; Individual data points
Tfus177.9KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.4 K; TRC
Tc551.4KN/ANadezhdin, 1887Uncertainty assigned by TRC = 4. K; TRC
Pc38.80barN/ANadezhdin, 1887Uncertainty assigned by TRC = 3.0398 bar; TRC
rhoc2.819mol/lN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.05 mol/l; TRC
Deltavap33.6 ± 0.04kJ/molVMathews, 1926ALS

Enthalpy of vaporization

DeltavapH (kJ/mol)Temperature (K)MethodReferenceComment
36.6386.AStephenson and Malanowski, 1987Based on data from 371. - 507. K.; AC
38.6255.AStephenson and Malanowski, 1987Based on data from 240. - 372. K. See also Stull, 1947.; AC

Antoine Equation Parameters

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

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

Temperature (K)ABCReferenceComment
240.5 - 371.34.509661514.427-35.295Stull, 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]

Nadezhdin, 1887
Nadezhdin, A., Rep. Phys., 1887, 23, 708. [all data]

Mathews, 1926
Mathews, J.H., The accurate measurement of heats of vaporization of liquids, J. Am. Chem. Soc., 1926, 48, 562-576. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987. [doi: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. [doi:10.1021/ie50448a022] [all data]


Go To: Top, Phase change data, References