Ethyl orthoformate
- Formula: C7H16O3
- Molecular weight: 148.2001
- IUPAC Standard InChI: InChI=1S/C7H16O3/c1-4-8-7(9-5-2)10-6-3/h7H,4-6H2,1-3H3
- 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 | -150.7 | kcal/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 | -153.4 | kcal/mol | Cm | Hine and Klueppet, 1974 | Heat of hydrolysis; ALS |
| ΔfH°gas | -151.84 ± 0.90 | kcal/mol | Ccb | Pihlaja and Tuomi, 1971 | ALS |
References
Go To: Top, Gas phase thermochemistry data, 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]
Notes
Go To: Top, Gas phase thermochemistry data, 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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