1,2-Ethanediol

Formula: C₂H₆O₂
Molecular weight: 62.0678
IUPAC Standard InChI: InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
IUPAC Standard InChIKey: LYCAIKOWRPUZTN-UHFFFAOYSA-N
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
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Other data available:
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- Gas Phase Kinetics Database
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Normal boiling point

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Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

T_boil (K)	Reference	Comment
471.2	Weast and Grasselli, 1989	BS
470.45	Dizechi and Marschell, 1982	Uncertainty assigned by TRC = 0.3 K; TRC
470.45	Markovnik, Sachek, et al., 1981	Uncertainty assigned by TRC = 0.05 K; TRC
470.	Kundu, Chattopadhyay, et al., 1970	Uncertainty assigned by TRC = 2. K; TRC
472.15	Baker, Fisher, et al., 1964	Uncertainty assigned by TRC = 0.3 K; TRC; Data excluded from overall average
470.55	Razniewska, 1964	Uncertainty assigned by TRC = 0.15 K; TRC
470.55	Mellan, 1962	Uncertainty assigned by TRC = 0.5 K; TRC
470.55	Razniewska, 1961	Uncertainty assigned by TRC = 0.15 K; TRC
469.9	West, Senise, et al., 1952	Uncertainty assigned by TRC = 1. K; TRC
455.	Feldman, Pantages, et al., 1951	Uncertainty assigned by TRC = 1. K; TRC; Data excluded from overall average
470.35	Othmer, Savitt, et al., 1949	Uncertainty assigned by TRC = 0.5 K; TRC
468.65	Laddha and Smith, 1948	Uncertainty assigned by TRC = 2. K; TRC; Data excluded from overall average
470.55	Lecat, 1947	Uncertainty assigned by TRC = 0.6 K; TRC
470.55	Lecat, 1943	Uncertainty assigned by TRC = 0.3 K; TRC
470.7	Romstatt, 1936	Uncertainty assigned by TRC = 0.5 K; TRC
470.45	Butler and Ramchandani, 1935	Uncertainty assigned by TRC = 0.25 K; TRC
470.35	Schierholtz and Staples, 1935	Uncertainty assigned by TRC = 0.5 K; TRC
471.	Timmermans and Hennaut-Roland, 1935	Uncertainty assigned by TRC = 0.1 K; TRC
470.4	Smyth and Walls, 1931	Uncertainty assigned by TRC = 0.5 K; TRC
470.55	Lecat, 1930	Uncertainty assigned by TRC = 0.4 K; not clear that this is a new measurement; TRC
466.15	Mondain-Monval and Galet, 1930	Uncertainty assigned by TRC = 3. K; TRC; Data excluded from overall average
470.6	Lecat, 1927	Uncertainty assigned by TRC = 0.5 K; TRC
470.6	Lecat, 1927, 2	Uncertainty assigned by TRC = 0.5 K; TRC
470.6	Lecat, 1927, 3	Uncertainty assigned by TRC = 0.5 K; TRC
470.6	Lecat, 1926	Uncertainty assigned by TRC = 0.5 K; TRC
470.55	Lecat, 1926, 2	Uncertainty assigned by TRC = 0.5 K; TRC
470.7	Schwers, 1909	Uncertainty assigned by TRC = 0.5 K; TRC
470.	De Forcrand, 1901	Uncertainty assigned by TRC = 2. K; TRC
470.52	Louguinine, 1898	Uncertainty assigned by TRC = 0.5 K; TRC
470.65	Bouchardat, 1885	Uncertainty assigned by TRC = 2. K; TRC
470.65	Perkin, 1884	Uncertainty assigned by TRC = 3. K; TRC

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, Normal boiling point, Notes

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]

Dizechi and Marschell, 1982
Dizechi, M.; Marschell, E., Viscosity of Some Binary and Ternary Liquid Mixtures, J. Chem. Eng. Data, 1982, 27, 358. [all data]

Markovnik, Sachek, et al., 1981
Markovnik, V.S.; Sachek, A.I.; Peshchenko, A.D.; Shvaro, O.V.; Andreyevskii, D.N., Vapor pressure of some glycols in Terodinamika Organ. Soedinenii., Gorkii, p 54, 1981. [all data]

Kundu, Chattopadhyay, et al., 1970
Kundu, K.K.; Chattopadhyay, P.K.; Jana, D.; Das, M.N., Standard Potentials of Ag-AgX (X=Cl or Br) Electrodes in Glycolic Solvents at Different Temperatures and Related Thermodynamic Quantities, J. Chem. Eng. Data, 1970, 15, 209. [all data]

Baker, Fisher, et al., 1964
Baker, T.H.; Fisher, G.T.; Roth, J.A., Vapor-Liquid Equilibrium and Refractive Indices of the Methanol- Ethylene Glycol System, J. Chem. Eng. Data, 1964, 9, 11. [all data]

Razniewska, 1964
Razniewska, T., Poliazeotropic ethylene glycol systems. I. a series of saddle azeotropes formed by ethylene glycol, phenol and pyridine bases, Rocz. Chem., 1964, 38, 851. [all data]

Mellan, 1962
Mellan, I., Polyhydric Alcohols, Spartan Books: Washington, DC, 1962. [all data]

Razniewska, 1961
Razniewska, T., The positive-negative azeotrope glycol + phenol + beta-picoline, Rocz. Chem., 1961, 35, 665-70. [all data]

West, Senise, et al., 1952
West, P.W.; Senise, P.; Burkhalter, T.S., Anal. Chem., 1952, 24, 1250. [all data]

Feldman, Pantages, et al., 1951
Feldman, J.; Pantages, P.; Orchin, M., Purification and freezing point of phenanthrene, J. Am. Chem. Soc., 1951, 73, 4341. [all data]

Othmer, Savitt, et al., 1949
Othmer, D.F.; Savitt, S.A.; Krasner, A.; Goldberg, A.M.; Markowitz, D., Composition of vapors from boiling binary solutions. Systems with m- or p-cresol as one component., Ind. Eng. Chem., 1949, 41, 572. [all data]

Laddha and Smith, 1948
Laddha, G.S.; Smith, J.M., The systems: Glycol-n-amyl alcohol-water and glycol-n-hexyl alcohol-water, Ind. Eng. Chem., 1948, 40, 494-496. [all data]

Lecat, 1947
Lecat, M., Some azeotropes of which one constituant is heterocyclic nitrogen, Ann. Soc. Sci. Bruxelles, Ser. 1, 1947, 61, 73. [all data]

Lecat, 1943
Lecat, M., Negative and other Azeotropes, C. R. Hebd. Seances Acad. Sci., 1943, 217, 242. [all data]

Romstatt, 1936
Romstatt, G., Physical Properties of Meixtures of Ethylene Glycol and of Diethylene Glycol, Ind. Chim. (Paris), 1936, 23, 567-9. [all data]

Butler and Ramchandani, 1935
Butler, J.A.V.; Ramchandani, C.N., The Solubility of Non-electrolytes. Part II. The Influence of the Polar Group on the Free Energy of Hydration of Aliphatic Compounds., J. Chem. Soc., 1935, 1935, 952. [all data]

Schierholtz and Staples, 1935
Schierholtz, O.J.; Staples, M.L., Vapor Pressure of Certain Glycols, J. Am. Chem. Soc., 1935, 57, 2709. [all data]

Timmermans and Hennaut-Roland, 1935
Timmermans, J.; Hennaut-Roland, M., Physical constants of 20 organic compounds. VII., J. Chim. Phys. Phys.-Chim. Biol., 1935, 32, 501. [all data]

Smyth and Walls, 1931
Smyth, C.P.; Walls, W.S., Electric moment and molecular structure: IV the glycols, J. Am. Chem. Soc., 1931, 53, 2115-22. [all data]

Lecat, 1930
Lecat, M., Azeotropism in Binary Mixtures Containing an Alcohol Mixed with an amine, a nitro derivative, an ether or water., Z. Anorg. Allg. Chem., 1930, 186, 119. [all data]

Mondain-Monval and Galet, 1930
Mondain-Monval, P.; Galet, P., Anomalies of the Physical Properties of the Vitreous State, C. R. Hebd. Seances Acad. Sci., 1930, 190, 120. [all data]

Lecat, 1927
Lecat, M., New binary azeotropes: 7th list, Ann. Soc. Sci. Bruxelles, Ser. B, 1927, 47, 108-14. [all data]

Lecat, 1927, 2
Lecat, M., New binary azeotropes: 5th list, Recl. Trav. Chim. Pays-Bas, 1927, 46, 240-7. [all data]

Lecat, 1927, 3
Lecat, M., New binary azeotropes: 6th list, Ann. Soc. Sci. Bruxelles, Ser. B, 1927, 47, 63-71. [all data]

Lecat, 1926
Lecat, M., New binary azeotropes: 3rd list, Ann. Soc. Sci. Bruxelles, Ser. B, 1926, 45, 284-94. [all data]

Lecat, 1926, 2
Lecat, M., New binary azeotropes second list, Recl. Trav. Chim. Pays-Bas, 1926, 45, 620-627. [all data]

Schwers, 1909
Schwers, M.F., On the physico-chemical properties of ethylene glycol and its solution in water, Recl. Trav. Chim. Pays-Bas Belg., 1909, 28, 42-67. [all data]

De Forcrand, 1901
De Forcrand, M., Specific heat & heat of fusion of ethylene glyvol, C. R. Hebd. Seances Acad. Sci., 1901, 132, 569-71. [all data]

Louguinine, 1898
Louguinine, W., Study of Latent Heats of Vaporizaion of Some Liquids, Ann. Chim. Phys., 1898, 13, 289-377. [all data]

Bouchardat, 1885
Bouchardat, C. R. Hebd. Seances Acad. Sci., 1885, 100, 452. [all data]

Perkin, 1884
Perkin, W.H., On the Magnetic Rotary Polarisation of Compounds in Relation to their Chemical Consitution; with Observations on the Preparation and Relative Densities of the Bodies Examined, J. Chem. Soc., 1884, 45, 421-580. [all data]

Notes

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Symbols used in this document:

T_boil Boiling point
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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