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1-Heptanol

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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, 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.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil448. ± 2.KAVGN/AAverage of 44 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus238.25KN/ATschamler, Richter, et al., 1949Uncertainty assigned by TRC = 0.5 K; TRC
Tfus239.4KN/ABilterys and Gisseleire, 1935Uncertainty assigned by TRC = 0.5 K; TRC
Tfus238.6KN/ATimmermans, 1922Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Ttriple240.0KN/AParks, Kennedy, et al., 1956Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc633. ± 4.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Pc30.6 ± 0.2barN/AGude and Teja, 1995 
Pc31.60barN/AQuadri, Khilar, et al., 1991Uncertainty assigned by TRC = 0.50 bar; TRC
Pc30.58barN/ARosenthal and Teja, 1990Uncertainty assigned by TRC = 0.20 bar; TRC
Pc30.58barN/ARosenthal and Teja, 1989Uncertainty assigned by TRC = 0.20 bar; TRC
Quantity Value Units Method Reference Comment
Vc0.435l/molN/AGude and Teja, 1995 
Quantity Value Units Method Reference Comment
rhoc2.30 ± 0.02mol/lN/AGude and Teja, 1995 
rhoc2.30mol/lN/ATeja, Lee, et al., 1989TRC
rhoc2.29mol/lN/ASmith, Anselme, et al., 1986Uncertainty assigned by TRC = 0.24 mol/l; TRC
rhoc2.30mol/lN/AEfremov, 1966Uncertainty assigned by TRC = 0.03 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap67. ± 2.kJ/molAVGN/AAverage of 9 values; Individual data points

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
351.70.020Weast and Grasselli, 1989BS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
65.2310.N/AN'Guimbi, Kasehgari, et al., 1992Based on data from 258. - 363. K.; AC
62.5350.AStephenson and Malanowski, 1987Based on data from 335. - 450. K.; AC
62.6351.DTAStephenson and Malanowski, 1987Based on data from 336. - 450. K. See also Kemme and Kreps, 1969.; AC
65.2348.N/AWilhoit and Zwolinski, 1973Based on data from 333. - 449. K.; AC
62.9348.N/AButler, Ramchandani, et al., 1935Based on data from 333. - 425. K. See also Boublik, Fried, et al., 1984.; 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
336.8 - 449.63.97941256.783-133.487Kemme and Kreps, 1969

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
18.35239.9van Miltenburg, Gabrielová, et al., 2003AC
18.16240.4Domalski and Hearing, 1996AC
18.175240.4Parks, Kennedy, et al., 1956, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
75.60240.4Parks, Kennedy, et al., 1956, 2DH

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

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.

Tschamler, Richter, et al., 1949
Tschamler, H.; Richter, E.; Wettig, F., Mixtures of Primry Aliphatic Alcohols with Chlorex and Other Organic Substances. Binary Liquid Mixtures XII., Monatsh. Chem., 1949, 80, 749. [all data]

Bilterys and Gisseleire, 1935
Bilterys, R.; Gisseleire, J., Investigations on the Congelation Temperature of Organic Compounds, Bull. Soc. Chim. Belg., 1935, 44, 567. [all data]

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

Parks, Kennedy, et al., 1956
Parks, G.S.; Kennedy, W.D.; Gates, R.R.; Mosley, J.R.; Moore, G.E.; Renquist, M.L., Thermal Data on Organic Compounds XXVI. Some Heat Capacity, Entropy and Free Energy Data for Seven Compounds Containing Oxygen, J. Am. Chem. Soc., 1956, 78, 56-9. [all data]

Gude and Teja, 1995
Gude, M.; Teja, A.S., Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols, J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]

Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J., Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols, J. Chem. Thermodyn., 1991, 23, 67-76. [all data]

Rosenthal and Teja, 1990
Rosenthal, D.J.; Teja, A.S., The Critical Pressures and temperatures of Isomeric Alkanols, Ind. Eng. Chem. to be published 1990 1990, 1990. [all data]

Rosenthal and Teja, 1989
Rosenthal, D.J.; Teja, A.S., Critical pressures and temperatures of isomeric alkanols, Ind. Eng. Chem. Res., 1989, 28, 1693. [all data]

Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J., Correlation of the Critical Properties of Alkanes and Alkanols in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]

Smith, Anselme, et al., 1986
Smith, R.L.; Anselme, M.J.; Teja, A.S., The Critical Temperatures of Isomeric Pentanols and Heptanols, Fluid Phase Equilib., 1986, 31, 161. [all data]

Efremov, 1966
Efremov, Yu.V., Density, Surface Tension, Saturated Vapor Pressurs and Critical Parameters of Alcohols, Zh. Fiz. Khim., 1966, 40, 1240. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

N'Guimbi, Kasehgari, et al., 1992
N'Guimbi, J.; Kasehgari, H.; Mokbel, I.; Jose, J., Tensions de vapeur d'alcools primaires dans le domaine 0,3 Pa à 1,5 kPa, Thermochimica Acta, 1992, 196, 2, 367-377, https://doi.org/10.1016/0040-6031(92)80100-B . [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]

Kemme and Kreps, 1969
Kemme, Herbert R.; Kreps, Saul I., Vapor pressure of primary n-alkyl chlorides and alcohols, J. Chem. Eng. Data, 1969, 14, 1, 98-102, https://doi.org/10.1021/je60040a011 . [all data]

Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]

Butler, Ramchandani, et al., 1935
Butler, J.A.V.; Ramchandani, C.N.; Thomson, D.W., 58. The solubility of non-electrolytes. Part I. The free energy of hydration of some aliphatic alcohols, J. Chem. Soc., 1935, 280, https://doi.org/10.1039/jr9350000280 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

van Miltenburg, Gabrielová, et al., 2003
van Miltenburg, J. Cees; Gabrielová, Hana; Ruzicka, Kvetoslav, Heat Capacities and Derived Thermodynamic Functions of 1-Hexanol, 1-Heptanol, 1-Octanol, and 1-Decanol between 5 K and 390 K, J. Chem. Eng. Data, 2003, 48, 5, 1323-1331, https://doi.org/10.1021/je0340856 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Parks, Kennedy, et al., 1956, 2
Parks, G.S.; Kennedy, W.D.; Gates, R.R.; Mosley, J.R.; Moore, G.E.; Renquist, M.L., Thermal data on organic compounds. XXVI. Some heat capacity, entropy and free energy data for seven compounds containing oxygen., Not In System, 1956, 78, 56-59. [all data]


Notes

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