Heptanoic acid, ethyl ester
- Formula: C9H18O2
- Molecular weight: 158.2380
- IUPAC Standard InChI: InChI=1S/C9H18O2/c1-3-5-6-7-8-9(10)11-4-2/h3-8H2,1-2H3
- IUPAC Standard InChIKey: TVQGDYNRXLTQAP-UHFFFAOYSA-N
- CAS Registry Number: 106-30-9
- 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: Aether oenanthicus; Cognac oil; Enanthylic ether; Ethyl enanthate; Ethyl heptanoate; Ethyl heptoate; Ethyl heptylate; Ethyl n-heptanoate; Ethyl oenanthate; Ethyl oenanthylate; Grape oil; Oenanthic ether; Oleum vitis viniferae; Wine oil; Enanthic acid ethyl ester; Ethyl ester of heptanoic acid; NSC 8891; ethyl enantate
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -603.8 ± 1.5 | kJ/mol | Cm | Wiberg and Waldron, 1991 | Heat of hydrolysis |
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 461.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
| Tboil | 461.70 | K | N/A | Bilterys and Gisseleire, 1935 | Uncertainty assigned by TRC = 0.3 K; TRC |
| Tboil | 460.3 | K | N/A | Gartenmeister, 1886 | Uncertainty assigned by TRC = 2. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 206.9 | K | N/A | Bilterys and Gisseleire, 1935 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 634.3 | K | N/A | Young, 1994 | Uncertainty assigned by TRC = 0.6 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 56. ± 1. | kJ/mol | V | Wiberg and Waldron, 1991 | Heat of hydrolysis; ALS |
| ΔvapH° | 55.8 | kJ/mol | N/A | Wiberg and Waldron, 1991 | DRB |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 351.2 | 0.019 | Weast and Grasselli, 1989 | BS |
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.
Wiberg and Waldron, 1991
Wiberg, K.B.; Waldron, R.F.,
Lactones. 2. Enthalpies of hydrolysis, reduction, and formation of the C4-C13 monocyclic lactones. strain energies and conformations,
J. Am. Chem. Soc., 1991, 113, 7697-7705. [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]
Bilterys and Gisseleire, 1935
Bilterys, R.; Gisseleire, J.,
Investigations on the Congelation Temperature of Organic Compounds,
Bull. Soc. Chim. Belg., 1935, 44, 567. [all data]
Gartenmeister, 1886
Gartenmeister, R.,
Investigation of the physical characterstics of liquid compounds: vi boiling point and specific volume of normal fatty acid esters,
Justus Liebigs Ann. Chem., 1886, 233, 249-315. [all data]
Young, 1994
Young, C.L.,
Personal Commun. 1994 1994, 1994. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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