1,2-Ethanediol

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.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-394.4 ± 2.8kJ/molCcrKnauth and Sabbah, 1990see Knauth and Sabbah, 1989; ALS
Δfgas-388. ± 2.kJ/molCcbGardner and Hussain, 1972ALS
Δfgas-390.3kJ/molN/AMcClaine, 1947Value computed using ΔfHliquid° value of -455.9 kj/mol from McClaine, 1947 and ΔvapH° value of 65.6 kj/mol from Knauth and Sabbah, 1990.; DRB
Δfgas-389.3kJ/molN/AParks, West, et al., 1946Value computed using ΔfHliquid° value of -454.9±0.3 kj/mol from Parks, West, et al., 1946 and ΔvapH° value of 65.6 kj/mol from Knauth and Sabbah, 1990.; DRB
Δfgas-387.5kJ/molN/AMoureu and Dode, 1937Value computed using ΔfHliquid° value of -453.1±1.2 kj/mol from Moureu and Dode, 1937 and ΔvapH° value of 65.6 kj/mol from Knauth and Sabbah, 1990.; DRB
Quantity Value Units Method Reference Comment
gas311.84J/mol*KN/AChao J., 1986Other third-law entropy values at 298.15 K known from literature are 284.5 [ Buckley P., 1967], 312.5 [ Stull D.R., 1969], and 315.47(5.36) J/mol*K [ Yeh T.-S., 1994].; GT

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
59.79200.Yeh T.-S., 1994Other statistically calculated values of entropy at 298.15 K (274.76 [ Buckley P., 1967], 293.76 [ Frei H., 1977], 303.8 [ Chao J., 1986], and 323.55 J/mol*K [ Dyatkina M.E., 1954]) are in worse agreement with third-law entropy value.; GT
77.99298.15
78.41300.
97.99400.
113.64500.
125.65600.
135.23700.
143.26800.
150.25900.
156.401000.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-460.0 ± 2.8kJ/molCcrKnauth and Sabbah, 1990see Knauth and Sabbah, 1989; ALS
Δfliquid-455.6 ± 0.8kJ/molCcbGardner and Hussain, 1972ALS
Δfliquid-455.85kJ/molCcbMcClaine, 1947ALS
Δfliquid-454.9 ± 0.3kJ/molCcbParks, West, et al., 1946ALS
Δfliquid-453.1 ± 1.2kJ/molCcbMoureu and Dode, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -452.3 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-1191. ± 10.kJ/molAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
liquid166.9J/mol*KN/AParks, Kelley, et al., 1929Extrapolation below 90 K, 8.2 cal/mol*K. Revision of previous data.; DH
liquid179.5J/mol*KN/AParks and Kelley, 1925Extrapolation below 90 K, 11.46 cal/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
149.8298.Zaripov, 1982T = 298, 323, 363 K.; DH
149.3298.Stephens and Tamplin, 1979T = 273 to 493 K.; DH
149.6298.15Murthy and Subrahmanyam, 1977DH
145.2303.Kawaizumi, Otake, et al., 1972DH
150.6301.2Paz Andrade, Paz, et al., 1970T = 28, 40°C.; DH
150.33298.15Nikolaev and Rabinovich, 1967T = 80 to 300 K.; DH
147.3298.Tungusov and Mishchenko, 1965DH
148.87298.Rabinovich and Nikolaev, 1962T = 10 to 55°C.; DH
145.6293.4Neiman and Kurlyankin, 1932T = 20.2 to 78.4°C. Value is unsmoothed experimental datum.; DH
149.4293.0Parks and Kelley, 1925T = 88 to 293 K. Value is unsmoothed experimental datum.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil470.5 ± 0.5KAVGN/AAverage of 27 out of 31 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus261. ± 2.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple256.6KN/AKnauth and Sabbah, 1990, 2Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple260.6KN/AWilhoit, Chao, et al., 1985Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple260.6KN/ANikolaev and Rabinovich, 1967, 2Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple260.8KN/AParks and Kelley, 1925, 2Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc720.KN/ANikitin, Pavlov, et al., 1993Uncertainty assigned by TRC = 4. K; TRC
Tc720.KN/ATeja and Rosenthal, 1991Uncertainty assigned by TRC = 1. K; TRC
Tc718.KN/ATeja and Anselme, 1990Uncertainty assigned by TRC = 1. K; TRC
Tc645.KN/AStephens and Tamplin, 1979, 2Uncertainty assigned by TRC = 30. K; TC data from Union Carbide Corp.; TRC
Tc790.KN/AArtemchenko, 1972Uncertainty assigned by TRC = 30. K; TRC
Quantity Value Units Method Reference Comment
Pc82.00barN/ANikitin, Pavlov, et al., 1993Uncertainty assigned by TRC = 2.00 bar; TRC
Pc90.00barN/ATeja and Rosenthal, 1991Uncertainty assigned by TRC = 1.00 bar; TRC
Pc131.00barN/ALyons, 1985Uncertainty assigned by TRC = 10.00 bar; TRC
Quantity Value Units Method Reference Comment
Δvap65. ± 3.kJ/molAVGN/AAverage of 13 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
62.4 ± 4.0345.N/APetitjean, Reyes-Perez, et al., 2010Based on data from 307. to 384. K.; AC
57.4385.TGAAl-Najjar and Al-Sammerrai, 2007Based on data from 363. to 408. K.; AC
65.2338.AStephenson and Malanowski, 1987Based on data from 323. to 473. K.; AC
62.5378.AStephenson and Malanowski, 1987Based on data from 363. to 418. K.; AC
68. ± 2.409.VGardner and Hussain, 1972ALS
64.0338.N/AJones and Tamplin, 1952Based on data from 323. to 473. K. See also Gardner and Hussain, 1972.; AC
61.9 ± 6.3273.VGallaugher and Hibbert, 1937Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 57.07 kJ/mol; ALS
61.1383.N/ASchierholtz and Staples, 1935Based on data from 363. to 403. K.; AC
57.3436.N/ASchierholtz and Staples, 1935Based on data from 403. to 470. K.; AC
61.1410.N/Ade Forcrand, 1901Based on data from 395. to 459. K.; 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) A B C Reference Comment
323. to 473.4.970121914.951-84.996Jones and Tamplin, 1952, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
9.958260.6Nikolaev and Rabinovich, 1967DH
11.623260.8Parks and Kelley, 1925DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
38.21260.6Nikolaev and Rabinovich, 1967DH
44.57260.8Parks and Kelley, 1925DH

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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Knauth and Sabbah, 1990
Knauth, P.; Sabbah, R., Energetics of intra- and intermolecular bonds in ω-alkanediols (II) Thermochemical study of 1,2-ethanediol, 1,3-propanediol, 1,4-butanediol, and 1,5-pentanediol at 298.15K, Struct. Chem., 1990, 1, 43-46. [all data]

Knauth and Sabbah, 1989
Knauth, P.; Sabbah, R., Combustion calorimetry on milligram samples of liquid substances with a CRMT rocking bomb calorimeter. Application to the study of ω-alkanediol at 298.15 K, J. Chem. Thermodyn., 1989, 21, 203-210. [all data]

Gardner and Hussain, 1972
Gardner, P.J.; Hussain, K.S., The standard enthalpies of formation of some aliphatic diols, J. Chem. Thermodyn., 1972, 4, 819-827. [all data]

McClaine, 1947
McClaine, L.A., Thermodynamic data for some compounds containing carbon, hydrogen and oxygen, Ph.D. Thesis for Stanford University, 1947, 1-57. [all data]

Parks, West, et al., 1946
Parks, G.S.; West, T.J.; Naylor, B.F.; Fujii, P.S.; McClaine, L.A., Thermal data on organic compounds. XXIII. Modern combustion data for fourteen hydrocarbons and five polyhydroxy alcohols, J. Am. Chem. Soc., 1946, 68, 2524-2527. [all data]

Moureu and Dode, 1937
Moureu, H.; Dode, M., Chaleurs de formation de l'oxyde d'ethylene, de l'ethanediol et de quelques homologues, Bull. Soc. Chim. France, 1937, 4, 637-647. [all data]

Chao J., 1986
Chao J., Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties, J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]

Buckley P., 1967
Buckley P., Infrared studies on rotational isomerism. I. Ethylene glycol, Can. J. Chem., 1967, 45, 397-407. [all data]

Stull D.R., 1969
Stull D.R., Jr., The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]

Yeh T.-S., 1994
Yeh T.-S., Global conformational analysis of 1,2-ethanediol, J. Phys. Chem., 1994, 98, 8921-8929. [all data]

Frei H., 1977
Frei H., Ethylene glycol: infrared spectra, ab initio calculation, vibrational analysis and conformations of 5 matrix isolated isotopic modifications, Chem. Phys., 1977, 25, 271-298. [all data]

Dyatkina M.E., 1954
Dyatkina M.E., Thermodynamic functions of normal alcohols (propanol, butanol, ethylene glycol), Zh. Fiz. Khim., 1954, 28, 377. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Parks, Kelley, et al., 1929
Parks, G.S.; Kelley, K.K.; Huffman, H.M., Thermal data on organic compounds. V. A revision of the entropies and free energies of nineteen organic compounds, J. Am. Chem. Soc., 1929, 51, 1969-1973. [all data]

Parks and Kelley, 1925
Parks, G.S.; Kelley, K.K., Thermal data on organic compounds. II. The heat capacities of five organic compounds. The entropies and free energies of some homologous series of aliphatic compounds, J. Am. Chem. Soc., 1925, 47, 2089-2097. [all data]

Zaripov, 1982
Zaripov, Z.I., Experimental study of the isobaric heat capacity of liquid organic compounds with molecular weights of up to 4000 a.e.m., 1982, Teplomassoobmen Teplofiz. [all data]

Stephens and Tamplin, 1979
Stephens, M.A.; Tamplin, W.S., Saturated liquid specific heats of ethylene glycol homologues, J. Chem. Eng. Data, 1979, 24, 81-82. [all data]

Murthy and Subrahmanyam, 1977
Murthy, N.M.; Subrahmanyam, S.V., Behaviour of excess heat capacity of aqueous non-electrolytes, Indian J. Pure Appl. Phys., 1977, 15, 485-489. [all data]

Kawaizumi, Otake, et al., 1972
Kawaizumi, F.; Otake, T.; Nomura, H.; Miyahara, Y., Heat capacities of aqueous solutions of ethylene glycol, propylene glycol and 1,3-butanediol, Nippon Kagaku. Kaishi, 1972, 1972, 1733-1776. [all data]

Paz Andrade, Paz, et al., 1970
Paz Andrade, M.I.; Paz, J.M.; Recacho, E., Contribucion a la microcalorimetria de los calores especificos de solidos y liquidos, An. Quim., 1970, 66, 961-967. [all data]

Nikolaev and Rabinovich, 1967
Nikolaev, P.N.; Rabinovich, I.B., Heat capacity of ethylene glycol and ethylene deuteroglycol in the temperature range 80-300K, Zhur. Fiz. Khim., 1967, 41, 2191-2194. [all data]

Tungusov and Mishchenko, 1965
Tungusov, V.P.; Mishchenko, K.P., Specific heat of pure ethylene glycol and solution of NaI and KI in ethylene glycol at 25°C, Zhur. Fiz. Khim., 1965, 39, 2968-2972. [all data]

Rabinovich and Nikolaev, 1962
Rabinovich, I.B.; Nikolaev, P.N., Isotopic effect in the specific heat of some deutero compounds, Dokl. Akad. Nauk, 1962, SSSR 142, 1335-1338. [all data]

Neiman and Kurlyankin, 1932
Neiman, M.B.; Kurlyankin, I.A., Thermodynamic studies of solutions. II. Study of the thermodynamics of aqueous solutions of ethylene glycol at different temperatures, Zhur. Obshch. Khim., 1932, 2, 318-321. [all data]

Knauth and Sabbah, 1990, 2
Knauth, P.; Sabbah, R., Can. J. Chem., 1990, 68, 731. [all data]

Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R., Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases, J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]

Nikolaev and Rabinovich, 1967, 2
Nikolaev, P.N.; Rabinovich, I.B., Zh. Fiz. Khim., 1967, 41, 9, 2191. [all data]

Parks and Kelley, 1925, 2
Parks, G.S.; Kelley, K.K., Thermal Data on Organic Compounds II. The Heat Capacities of Five Organic Compounds. The Entropies and Free Energies of Some Homologous Series of Aliphatic Compounds, J. Am. Chem. Soc., 1925, 47, 2089-97. [all data]

Nikitin, Pavlov, et al., 1993
Nikitin, E.D.; Pavlov, P.A.; Skripov, P.V., Measurement of the critical properties of thermally unstable substances and mixtures by the pulse-heating method, J. Chem. Thermodyn., 1993, 25, 869-80. [all data]

Teja and Rosenthal, 1991
Teja, A.S.; Rosenthal, D.J., The critical pressures and temperatures of ten substances using a low residence time flow apparatus in Experimental Results for Phase Equilibria and Pure Component Properties, DIPPR DATA Series No. 1, 1991. [all data]

Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J., The critical properties of thermally stable and unstable fluids. I. 1985 results, AIChE Symp. Ser., 1990, 86, 279, 115-21. [all data]

Stephens and Tamplin, 1979, 2
Stephens, M.A.; Tamplin, W.S., Saturated Liquid SPecific Heats of Ethylene GLycol Homologues, J. Chem. Eng. Data, 1979, 24, 81-2. [all data]

Artemchenko, 1972
Artemchenko, A.I., Fiz. Khim. Rastvorov, 1972, 1972, 128-34. [all data]

Lyons, 1985
Lyons, R.L., The determination of critical properties and vapor pressure of thermally stable and unstable compounds, M. S. Thesis, 1985. [all data]

Petitjean, Reyes-Perez, et al., 2010
Petitjean, M.; Reyes-Perez, E.; Perez, D.; Mirabel, Ph.; Le Calve, S., Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K, J. Chem. Eng. Data, 2010, 55, 2, 852-855, https://doi.org/10.1021/je9004905 . [all data]

Al-Najjar and Al-Sammerrai, 2007
Al-Najjar, Hazim; Al-Sammerrai, Dhoaib, Thermogravimetric determination of the heat of vaporization of some highly polar solvents, J. Chem. Technol. Biotechnol., 2007, 37, 3, 145-152, https://doi.org/10.1002/jctb.280370302 . [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]

Jones and Tamplin, 1952
Jones, W.S.; Tamplin, W.S., Chapter 9. Physical Properties of Propylene Glycol in Glycols. American Chemical Society Monograph 114, G.O. Curme, Jr., ed(s)., Reinhold, New York, 1952, 210-240. [all data]

Gallaugher and Hibbert, 1937
Gallaugher, A.F.; Hibbert, H., Studies on reactions relating to carbohydrates and polysaccharides. LV. Vapor pressures of the polyethylene glycols and their derivatives, J. Am. Chem. Soc., 1937, 59, 2521-2525. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Schierholtz and Staples, 1935
Schierholtz, O.J.; Staples, M.L., Vapor Pressures of Certain Glycols, J. Am. Chem. Soc., 1935, 57, 12, 2709-2711, https://doi.org/10.1021/ja01315a106 . [all data]

de Forcrand, 1901
de Forcrand, M., Compt. Rend., 1901, 132, 688. [all data]

Jones and Tamplin, 1952, 2
Jones, W.S.; Tamplin, W.S., Chapter 3. Physical Properties of Ethylene Glycol in Glycols, George O. Curme, Jr., ed(s)., Reinhold Publishing Corporation, 330 West Forty-Second Street, New York, U.S.A., 1952, 27-62. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References