1,2-Ethanediol - The NIST WebBook

1,2-Ethanediol

• Formula: C2H6O2
• Molecular weight: 62.0678
• IUPAC Standard InChI: InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2 Copy
• IUPAC Standard InChIKey: LYCAIKOWRPUZTN-UHFFFAOYSA-N Copy
• CAS Registry Number: 107-21-1
• Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript.
• Species with the same structure:
  • Pluronic f-68
• Other names: Ethylene glycol; Ethylene alcohol; Glycol; Glycol alcohol; Lutrol 9; Macrogol 400 BPC; Monoethylene glycol; Ramp; Tescol; 1,2-Dihydroxyethane; 2-Hydroxyethanol; HOCH2CH2OH; Aethylenglykol; Ethane-1,2-diol; Fridex; MEG 100; 1,2-Ethandiol; Ucar 17; Dowtherm SR 1; Norkool; Zerex; Ilexan E; 1,2-Ethylene glycol; 146AR; Ethylene dihydrate; NSC 93876; Union Carbide XL 54 Type I De-icing Fluid; Dihydroxyethane; Ethanediol; Ethylene gycol; Glygen; Athylenglykol; M.e.g.; Aliphatic diol
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
• Data at other public NIST sites:
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Gas phase thermochemistry 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: 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
ΔfH°gas	-394.4 ± 2.8	kJ/mol	Ccr	Knauth and Sabbah, 1990	see Knauth and Sabbah, 1989; ALS
ΔfH°gas	-388. ± 2.	kJ/mol	Ccb	Gardner and Hussain, 1972	ALS
ΔfH°gas	-390.3	kJ/mol	N/A	McClaine, 1947	Value 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
ΔfH°gas	-389.3	kJ/mol	N/A	Parks, West, et al., 1946	Value 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
ΔfH°gas	-387.5	kJ/mol	N/A	Moureu and Dode, 1937	Value 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
S°gas	311.84	J/mol*K	N/A	Chao J., 1986	Other 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
59.79	200.	Yeh T.-S., 1994	Other 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
77.99	298.15
78.41	300.
97.99	400.
113.64	500.
125.65	600.
135.23	700.
143.26	800.
150.25	900.
156.40	1000.

Condensed phase thermochemistry 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: 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
ΔfH°liquid	-460.0 ± 2.8	kJ/mol	Ccr	Knauth and Sabbah, 1990	see Knauth and Sabbah, 1989; ALS
ΔfH°liquid	-455.6 ± 0.8	kJ/mol	Ccb	Gardner and Hussain, 1972	ALS
ΔfH°liquid	-455.85	kJ/mol	Ccb	McClaine, 1947	ALS
ΔfH°liquid	-454.9 ± 0.3	kJ/mol	Ccb	Parks, West, et al., 1946	ALS
ΔfH°liquid	-453.1 ± 1.2	kJ/mol	Ccb	Moureu and Dode, 1937	Reanalyzed by Cox and Pilcher, 1970, Original value = -452.3 kJ/mol; ALS
Quantity	Value	Units	Method	Reference	Comment
ΔcH°liquid	-1191. ± 10.	kJ/mol	AVG	N/A	Average of 7 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
S°liquid	166.9	J/mol*K	N/A	Parks, Kelley, et al., 1929	Extrapolation below 90 K, 8.2 cal/mol*K. Revision of previous data.; DH
S°liquid	179.5	J/mol*K	N/A	Parks and Kelley, 1925	Extrapolation below 90 K, 11.46 cal/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K)	Temperature (K)	Reference	Comment
149.8	298.	Zaripov, 1982	T = 298, 323, 363 K.; DH
149.3	298.	Stephens and Tamplin, 1979	T = 273 to 493 K.; DH
149.6	298.15	Murthy and Subrahmanyam, 1977	DH
145.2	303.	Kawaizumi, Otake, et al., 1972	DH
150.6	301.2	Paz Andrade, Paz, et al., 1970	T = 28, 40°C.; DH
150.33	298.15	Nikolaev and Rabinovich, 1967	T = 80 to 300 K.; DH
147.3	298.	Tungusov and Mishchenko, 1965	DH
148.87	298.	Rabinovich and Nikolaev, 1962	T = 10 to 55°C.; DH
145.6	293.4	Neiman and Kurlyankin, 1932	T = 20.2 to 78.4°C. Value is unsmoothed experimental datum.; DH
149.4	293.0	Parks and Kelley, 1925	T = 88 to 293 K. Value is unsmoothed experimental datum.; DH

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 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
Tboil	470.5 ± 0.5	K	AVG	N/A	Average of 27 out of 31 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Tfus	261. ± 2.	K	AVG	N/A	Average of 8 values; Individual data points
Quantity	Value	Units	Method	Reference	Comment
Ttriple	256.6	K	N/A	Knauth and Sabbah, 1990, 2	Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple	260.6	K	N/A	Wilhoit, Chao, et al., 1985	Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple	260.6	K	N/A	Nikolaev and Rabinovich, 1967, 2	Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple	260.8	K	N/A	Parks and Kelley, 1925, 2	Uncertainty assigned by TRC = 0.3 K; TRC
Quantity	Value	Units	Method	Reference	Comment
Tc	720.	K	N/A	Nikitin, Pavlov, et al., 1993	Uncertainty assigned by TRC = 4. K; TRC
Tc	720.	K	N/A	Teja and Rosenthal, 1991	Uncertainty assigned by TRC = 1. K; TRC
Tc	718.	K	N/A	Teja and Anselme, 1990	Uncertainty assigned by TRC = 1. K; TRC
Tc	645.	K	N/A	Stephens and Tamplin, 1979, 2	Uncertainty assigned by TRC = 30. K; TC data from Union Carbide Corp.; TRC
Tc	790.	K	N/A	Artemchenko, 1972	Uncertainty assigned by TRC = 30. K; TRC
Quantity	Value	Units	Method	Reference	Comment
Pc	82.00	bar	N/A	Nikitin, Pavlov, et al., 1993	Uncertainty assigned by TRC = 2.00 bar; TRC
Pc	90.00	bar	N/A	Teja and Rosenthal, 1991	Uncertainty assigned by TRC = 1.00 bar; TRC
Pc	131.00	bar	N/A	Lyons, 1985	Uncertainty assigned by TRC = 10.00 bar; TRC
Quantity	Value	Units	Method	Reference	Comment
ΔvapH°	65. ± 3.	kJ/mol	AVG	N/A	Average of 13 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol)	Temperature (K)	Method	Reference	Comment
62.4 ± 4.0	345.	N/A	Petitjean, Reyes-Perez, et al., 2010	Based on data from 307. to 384. K.; AC
57.4	385.	TGA	Al-Najjar and Al-Sammerrai, 2007	Based on data from 363. to 408. K.; AC
65.2	338.	A	Stephenson and Malanowski, 1987	Based on data from 323. to 473. K.; AC
62.5	378.	A	Stephenson and Malanowski, 1987	Based on data from 363. to 418. K.; AC
68. ± 2.	409.	V	Gardner and Hussain, 1972	ALS
64.0	338.	N/A	Jones and Tamplin, 1952	Based on data from 323. to 473. K. See also Gardner and Hussain, 1972.; AC
61.9 ± 6.3	273.	V	Gallaugher and Hibbert, 1937	Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 57.07 kJ/mol; ALS
61.1	383.	N/A	Schierholtz and Staples, 1935	Based on data from 363. to 403. K.; AC
57.3	436.	N/A	Schierholtz and Staples, 1935	Based on data from 403. to 470. K.; AC
61.1	410.	N/A	de Forcrand, 1901	Based on data from 395. to 459. K.; 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
323. to 473.	4.97012	1914.951	-84.996	Jones and Tamplin, 1952, 2	Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol)	Temperature (K)	Reference	Comment
9.958	260.6	Nikolaev and Rabinovich, 1967	DH
11.623	260.8	Parks and Kelley, 1925	DH

Entropy of fusion

ΔfusS (J/mol*K)	Temperature (K)	Reference	Comment
38.21	260.6	Nikolaev and Rabinovich, 1967	DH
44.57	260.8	Parks and Kelley, 1925	DH

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Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), 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: B - John E. Bartmess ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

( • ) + = ( • 2)

By formula: (Cl- • C2H6O2) + C2H6O2 = (Cl- • 2C2H6O2)

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	66.5 ± 5.0	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
ΔrG°	39. ± 4.2	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

+ = ( • )

By formula: Cl- + C2H6O2 = (Cl- • C2H6O2)

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	106. ± 4.2	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
ΔrG°	69.5 ± 4.2	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase; B

C2H5O2- + =

By formula: C2H5O2- + H+ = C2H6O2

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	1528. ± 10.	kJ/mol	G+TS	Crowder and Bartmess, 1993	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
ΔrG°	1510. ± 8.4	kJ/mol	IMRE	Crowder and Bartmess, 1993	gas phase; B

+ = +

By formula: C2H6O2 + C3H6O = C5H10O2 + H2O

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-10.	kJ/mol	Eqk	Anteunis and Rommelaere, 1970	liquid phase; ALS

+ = +

By formula: C2H6O2 + HNO3 = C2H5NO4 + H2O

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-7.9	kJ/mol	Cm	Tsvetkov, Sopin, et al., 1986	liquid phase; ALS

+ = C2H6NO3-

By formula: NO- + C2H6O2 = C2H6NO3-

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	113.0	kJ/mol	N/A	Hendricks, de Clercq, et al., 2002	gas phase; B

Henry's Law 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 by: Rolf Sander

Henry's Law constant (water solution)

kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K))) k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar)) d(ln(kH))/d(1/T) = Temperature dependence constant (K)

k°H (mol/(kg*bar))	d(ln(kH))/d(1/T) (K)	Method	Reference	Comment
4.0×10+6	M	N/A	Value at T = 293. K.
17000.	M	N/A	missing citation say that this value is unreliable.

Gas phase ion energetics 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 evaluated as indicated in comments: HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments: B - John E. Bartmess LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C2H6O2+ (ion structure unspecified)

Quantity	Value	Units	Method	Reference	Comment
Proton affinity (review)	815.9	kJ/mol	N/A	Hunter and Lias, 1998	HL
Quantity	Value	Units	Method	Reference	Comment
Gas basicity	773.6	kJ/mol	N/A	Hunter and Lias, 1998	HL

Ionization energy determinations

IE (eV)	Method	Reference	Comment
10.16	EI	Holmes and Lossing, 1982	LBLHLM
10.55	PE	Ohno, Imai, et al., 1985	Vertical value; LBLHLM
10.55	PE	Kimura, Katsumata, et al., 1981	Vertical value; LLK
10.5	PE	Von Niessen, Bieri, et al., 1980	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
CH3O+	11.12 ± 0.05	CH2OH	EI	Holmes and Lossing, 1984	LBLHLM
CH3O+	12.5 ± 0.15	CH2O+H	EI	Holmes, Lossing, et al., 1983	LBLHLM
CH4O+[CH2OH2+]	11.42 ± 0.05	CH2O	EI	Holmes, Lossing, et al., 1982	LBLHLM
CH5O+[CH3OH2+]	10.7 ± 0.1	CHO	EI	Burgers, Holmes, et al., 1987	LBLHLM

De-protonation reactions

C2H5O2- + =

By formula: C2H5O2- + H+ = C2H6O2

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	1528. ± 10.	kJ/mol	G+TS	Crowder and Bartmess, 1993	gas phase; B
Quantity	Value	Units	Method	Reference	Comment
ΔrG°	1510. ± 8.4	kJ/mol	IMRE	Crowder and Bartmess, 1993	gas phase; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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

Data compiled by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

+ = ( • )

By formula: Cl- + C2H6O2 = (Cl- • C2H6O2)

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	106. ± 4.2	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase
Quantity	Value	Units	Method	Reference	Comment
ΔrG°	69.5 ± 4.2	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase

( • ) + = ( • 2)

By formula: (Cl- • C2H6O2) + C2H6O2 = (Cl- • 2C2H6O2)

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	66.5 ± 5.0	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase
Quantity	Value	Units	Method	Reference	Comment
ΔrG°	39. ± 4.2	kJ/mol	TDAs	Zhang, Beglinger, et al., 1995	gas phase

+ = C2H6NO3-

By formula: NO- + C2H6O2 = C2H6NO3-

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	113.0	kJ/mol	N/A	Hendricks, de Clercq, et al., 2002	gas phase

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• LIQUID (NEAT); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

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Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner	NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.
Origin	NIST Mass Spectrometry Data Center
NIST MS number	341866

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), 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]

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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]

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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]

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

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

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Notes

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• Symbols used in this document:

  AE	Appearance energy
  Cp,gas	Constant pressure heat capacity of gas
  Cp,liquid	Constant pressure heat capacity of liquid
  Pc	Critical pressure
  S°gas	Entropy of gas at standard conditions
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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