Ethanedioic acid, diethyl ester
- Formula: C6H10O4
- Molecular weight: 146.1412
- IUPAC Standard InChIKey: WYACBZDAHNBPPB-UHFFFAOYSA-N
- CAS Registry Number: 95-92-1
- 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. - Other names: Oxalic acid, diethyl ester; Diethyl ethanedioate; Diethyl oxalate; Ethyl oxalate; C2H5OCOCOOC2H5; Diethylester kyseliny stavelove; UN 2525; Diethyl ester of oxalic acid; Oxalic ether; Ethanedioic acid, 1,2-diethyl ester; NSC 8851
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Phase change data
Go To: Top, 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:
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 458.9 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 458.8 | K | N/A | Lecat, 1943 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 458.8 | K | N/A | Lecat, 1943, 2 | Uncertainty assigned by TRC = 0.25 K; TRC |
Tboil | 458.15 | K | N/A | Timmermans, 1911 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 458.85 | K | N/A | Kahlbaum, 1884 | Uncertainty assigned by TRC = 1.5 K; b.p. listed as 785.3, but obviously a misprint; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 232.35 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 232.55 | K | N/A | Timmermans, 1911 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 618. | K | N/A | Steele, Chirico, et al., 1994 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 21.40 | bar | N/A | Steele, Chirico, et al., 1994 | Uncertainty assigned by TRC = 0.04 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.212 | mol/l | N/A | Steele, Chirico, et al., 1994 | Uncertainty assigned by TRC = 0.02 mol/l; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
370.2 | 0.027 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
53.9 | 358. | A | Stephenson and Malanowski, 1987 | Based on data from 343. to 457. K.; AC |
62.3 | 335. | A | Stephenson and Malanowski, 1987 | Based on data from 320. to 459. K. See also Stull, 1947.; 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 |
---|---|---|---|---|---|
320.6 to 458.9 | 5.98158 | 2537.141 | -34.06 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
IR Spectrum
Go To: Top, Phase change data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Phase change 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
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Chuck Anderson, Aldrich Chemical Co. |
NIST MS number | 107320 |
References
Go To: Top, Phase change 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.
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]
Lecat, 1943
Lecat, M.,
Negative and other Azeotropes,
C. R. Hebd. Seances Acad. Sci., 1943, 217, 242. [all data]
Lecat, 1943, 2
Lecat, M.,
Azeotropes of Ethyl Urethane and other Azeotropes,
C. R. Hebd. Seances Acad. Sci., 1943, 217, 273. [all data]
Timmermans, 1911
Timmermans, J.,
Researches on the freezing point of organic liquid compounds,
Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]
Kahlbaum, 1884
Kahlbaum, G.W.A.,
The dependence of Boiling Temperature on Air Pressure,
Ber. Dtsch. Chem. Ges., 1884, 17, 1245. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Steele, Chirico, et al., 1994
Steele, W.V.; Chirico, R.D.; Hossenlopp, I.A.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K.,
DIPPR project 871. Determination of ideal-gas enthalpies of formation for key compounds. The 1990 project results,
Experimental Results for DIPPR 1990-91 Projects on Phase Equilibria and Pure Component Properties, 1994, 1994, DIPPR Data Ser. No. 2, p. 188-215. [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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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