Ethylenediamine
- Formula: C2H8N2
- Molecular weight: 60.0983
- IUPAC Standard InChIKey: PIICEJLVQHRZGT-UHFFFAOYSA-N
- CAS Registry Number: 107-15-3
- 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. - Other names: 1,2-Ethanediamine; β-Aminoethylamine; Dimethylenediamine; Ethane-1,2-diamine; 1,2-Diaminoethane; 1,2-Ethylenediamine; H2NCH2CH2NH2; Aethaldiamin; Aethylenediamin; 1,2-Diaminoaethan; 1,2-Diamino-ethaan; 1,2-Diamino-ethano; Ethyleendiamine; Ethylendiamine; NCI-C60402; UN 1604
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Condensed phase thermochemistry data
Go To: Top, 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 |
---|---|---|---|---|---|
ΔfH°liquid | -63.01 ± 0.54 | kJ/mol | Ccr | Good and Moore, 1970 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1867.3 ± 0.50 | kJ/mol | Ccr | Good and Moore, 1970 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 202.42 | J/mol*K | N/A | Messerly, Finke, et al., 1975 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
172.59 | 298.15 | Messerly, Finke, et al., 1975 | T = 11 to 335 K.; DH |
178.7 | 313. | Hough, Mason, et al., 1950 | T = 313 to 333 K.; DH |
Phase change data
Go To: Top, 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
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 |
---|---|---|---|---|---|
Tboil | 391.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 390.29 | K | N/A | Kato and Tanaka, 1989 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 389.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 390.1 | K | N/A | Majer and Svoboda, 1985 | |
Tboil | 391.65 | K | N/A | Anderson and Shimanskaya, 1969 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 284.290 | K | N/A | Messerly, Finke, et al., 1975, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; adiabatic, A=0.03361/K; B=0.00208/K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 613.1 | K | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 67.07 | bar | N/A | Wilson, Wilson, et al., 1996 | Uncertainty assigned by TRC = 0.10 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 46. ± 6. | kJ/mol | AVG | N/A | Average of 9 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
37.98 | 390.1 | N/A | Majer and Svoboda, 1985 | |
43.9 | 318. | A | Stephenson and Malanowski, 1987 | Based on data from 303. to 391. K.; AC |
45.9 | 299. | A,IP | Stephenson and Malanowski, 1987 | Based on data from 284. to 419. K. See also Messerly, Finke, et al., 1975.; AC |
45.6 | 314. | N/A | Hieber and Woerner, 1934 | Based on data from 299. to 390. 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 | Comment |
---|---|---|---|---|---|
299.66 to 390.6 | 4.22368 | 1302.256 | -81.788 | Hieber and Woerner, 1934 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
65.6 | 263. | IP | Stephenson and Malanowski, 1987 | Based on data from 242. to 278. K. See also Messerly, Finke, et al., 1975.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.08 | 284.1 | DSC | Lee, Chang, et al., 1997 | AC |
22.58 | 284.3 | AC | Acree, 1991 | See also Lee, Lien, et al., 1994 and Messerly, Finke, et al., 1975.; AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.4874 | 189.0 | crystaline, II | crystaline, I | Messerly, Finke, et al., 1975 | DH |
22.5831 | 284.29 | crystaline, I | liquid | Messerly, Finke, et al., 1975 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
2.58 | 189.0 | crystaline, II | crystaline, I | Messerly, Finke, et al., 1975 | DH |
79.44 | 284.29 | crystaline, I | liquid | Messerly, Finke, et al., 1975 | DH |
References
Go To: Top, 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.
Good and Moore, 1970
Good, W.D.; Moore, R.T.,
Enthalpies of formation of ethylenediamine, 1,2,-propanediamine, 1,2,-butanediamine, 2-methyl-1,2-propanediamine, and isobutylamine C-N and N-F Thermochemical bond energies,
J. Chem. Eng. Data, 1970, 15, 150-154. [all data]
Messerly, Finke, et al., 1975
Messerly, J.F.; Finke, H.L.; Osborn, A.G.; Douslin, D.R.,
Low-temperature calorimetric and vapor-pressure studies on alkanediamines,
J. Chem. Thermodynam., 1975, 7, 1029-1046. [all data]
Hough, Mason, et al., 1950
Hough, E.W.; Mason, D.M.; Sage, B.H.,
Heat capacities of several organic liquids,
J. Am. Chem. Soc., 1950, 72, 5775-5777. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Kato and Tanaka, 1989
Kato, M.; Tanaka, H.,
Vapor-Liquid Equilibrium Determination with a Flow-Type Ebulliometer for Six Binary Systems Made of Alcohol and Amine,
J. Chem. Eng. Data, 1989, 34, 203. [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]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Anderson and Shimanskaya, 1969
Anderson, A.A.; Shimanskaya, M.V.,
Gas-Liquid Chromatography of some Aliphatic and Heterocyclic Polyfunctional Amines: II. Solution Thermodyn. of Amines in Fix. Phas.,
Latv. PSR Zinat. Akad. Vestis, Kim. Ser., 1969, No. 5, 527. [all data]
Messerly, Finke, et al., 1975, 2
Messerly, J.F.; Finke, H.L.; Osborn, A.G.; Douslin, D.R.,
Low-temperature calorimetric and vapor-pressure studies on alkanediamines,
J. Chem. Thermodyn., 1975, 7, 1029-46. [all data]
Wilson, Wilson, et al., 1996
Wilson, L.C.; Wilson, H.L.; Wilding, W.V.; Wilson, G.M.,
Critical Point Measurements for Fourteen Compounds by a Static Method and a Flow Method,
J. Chem. Eng. Data, 1996, 41, 1252-4. [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]
Hieber and Woerner, 1934
Hieber, W.; Woerner, A.,
Thermochemische Messungen an Komplexbildenden Aminen und Alkoholen,
Zeitschrift für Elektrochemie und angewandte physikalische Chemie, 1934, 40, 5, 252-256, https://doi.org/10.1002/bbpc.19340400508
. [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]
Lee, Chang, et al., 1997
Lee, Ming-Jer; Chang, Yao-Kun; Lin, Ho-mu; Chen, Chang-Hsin,
Solid-Liquid Equilibria for 4-Methoxyphenol with Catechol, Ethylenediamine, or Piperazine,
J. Chem. Eng. Data, 1997, 42, 2, 349-352, https://doi.org/10.1021/je960201b
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Lee, Lien, et al., 1994
Lee, Ming-Jer; Lien, Pei-Jung; Huang, Wen-Kuo,
Solid-Liquid Equilibria for Binary Mixtures Containing Cresols, Ethylenediamine, and Anisole,
Ind. Eng. Chem. Res., 1994, 33, 11, 2853-2858, https://doi.org/10.1021/ie00035a040
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation 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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