Ethyl orthoformate
- Formula: C7H16O3
- Molecular weight: 148.2001
- IUPAC Standard InChIKey: GKASDNZWUGIAMG-UHFFFAOYSA-N
- CAS Registry Number: 122-51-0
- 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:
- Other names: Ethane, 1,1',1''-[methylidynetris(oxy)]tris-; Orthoformic acid, triethyl ester; Aethon; Ethone; Orthoformic acid ethyl ester; Triethoxymethane; Triethyl orthoformate; Triethoxmethane; Ethyl formate(ortho); Ethylester kyseliny orthomravenci; Methane, triethoxy-; Orthomravencan ethylnaty; 1,1',1''-(Methylidynetris(oxy))tris(ethane); Triethylester kyseliny orthomravenci; UN 2524; Triethyl ester of orthoformic acid; NSC 5289; 1-(Diethoxymethoxy)ethane
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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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -630.6 | kJ/mol | N/A | Gutner, Lebedeva, et al., 1980 | Value computed using ΔfHliquid° value of -675.8±0.8 kj/mol from Gutner, Lebedeva, et al., 1980 and ΔvapH° value of 45.2 kj/mol from Hine and Klueppet, 1974.; DRB |
ΔfH°gas | -641.8 | kJ/mol | Cm | Hine and Klueppet, 1974 | Heat of hydrolysis; ALS |
ΔfH°gas | -635.3 ± 3.8 | kJ/mol | Ccb | Pihlaja and Tuomi, 1971 | ALS |
IR Spectrum
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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: 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 | SRD/NIST Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | EPA-IR VAPOR PHASE LIBRARY |
State | gas |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 884.7 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1274. | Welke, Manfroi, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gutner, Lebedeva, et al., 1980
Gutner, N.M.; Lebedeva, N.D.; Dobychin, S.L.; Kiseleva, N.N.,
Thermochemical study of aliphatic ethers,
J. Appl. Chem. USSR, 1980, 53, 1523-1525. [all data]
Hine and Klueppet, 1974
Hine, J.; Klueppet, A.W.,
Structural effects on rates and equilibria. XVIII. Thermodynamic stability of ortho esters,
J. Am. Chem. Soc., 1974, 96, 2924-2929. [all data]
Pihlaja and Tuomi, 1971
Pihlaja, K.; Tuomi, M.,
Bond-bond interactions in organic oxygen compounds. Part V. Enthalpies of formation of methyl and ethyl orthoformates and the contributory group increments. The magnitude of the so-called rabbit-ear effect in acyclic oxygen compounds,
Acta Chem. Scand., 1971, 25, 465-469. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Welke, Manfroi, et al., 2012
Welke, J.E.; Manfroi, V.; Zanus, M.; Lazarotto, M.; Zini, C.A.,
Characterization of the volatile profile of Brazilian merlot wines through comprehensive two dimensional gas chromatography time-of-flight mass spectrometric detection,
J. Chromatogr. A, 2012, 1226, 124-139, https://doi.org/10.1016/j.chroma.2012.01.002
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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