Propanoic acid, 2,2-dimethyl-, ethyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- IUPAC Standard InChI: InChI=1S/C7H14O2/c1-5-9-6(8)7(2,3)4/h5H2,1-4H3
- IUPAC Standard InChIKey: HHEIMYAXCOIQCJ-UHFFFAOYSA-N
- CAS Registry Number: 3938-95-2
- 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: Pivalic acid, ethyl ester; Ethyl pivalate; Ethyl 2,2-dimethylpropionate; Trimethylacetic acid, ethyl ester; 2,2-Dimethylpropanoic acid ethyl ester; Ethyl trimethylacetate; 2,2-Dimethylpropionic acid, ethyl ester; Ethyl 2,2-dimethylpropanoate; NSC 17494
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Gas phase thermochemistry data
Go To: Top, Gas Chromatography, 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
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -525.6 ± 1.0 | kJ/mol | Ccb | Verevkin, Beckhaus, et al., 1992 | See 90BEC/VER; ALS |
| ΔfH°gas | -536.0 | kJ/mol | N/A | Hancock, Watson, et al., 1954 | Value computed using ΔfHliquid° value of -577.2±8.4 kj/mol from Hancock, Watson, et al., 1954 and ΔvapH° value of 41.2 kj/mol from Verevkin, Beckhaus, et al., 1992.; DRB |
Gas Chromatography
Go To: Top, Gas 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | SE-30 | 180. | 772. | Oszczapowicz, Ciszkowski, et al., 1986 | N2, Chromosorb W AW; Column length: 3. m |
| Packed | SE-30 | 120. | 771. | Haken, Chretien, et al., 1981 | Chromosorb W AW DMCS; Column length: 3.7 m |
| Packed | SE-30 | 100. | 777. | Chastrette, Heintz, et al., 1974 | N2, Chromosorb W AW (60-80 mesh); Column length: 3. m |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | Carbowax 20M | 100. | 950. | Chastrette, Heintz, et al., 1974 | Chromosorb WAW (60-80 mesh); Column length: 3. m |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-30 | 776. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 947. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Verevkin, Beckhaus, et al., 1992
Verevkin, S.P.; Beckhaus, H.-D.; Ruchardt, C.,
Geminale substituenteneffekte Teil 5α. Standardbildungsenthalpien von alkylsubstituierten Malonsaure- und α-aminocarbonsaureestern,
Thermochim. Acta, 1992, 197, 27-39. [all data]
Hancock, Watson, et al., 1954
Hancock, C.K.; Watson, G.M.; Gilby, R.F.,
Heats of combustion of five-carbon fatty acids and their methyl and ethyl esters,
J. Phys. Chem., 1954, 58, 127-129. [all data]
Oszczapowicz, Ciszkowski, et al., 1986
Oszczapowicz, J.; Ciszkowski, K.; Osek, J.,
Amidines. XXVI. Retention indices of N1,N1-dimethylpropionamidines, isobutyramidines, pivalamidines and phenylacetamidines on a non-polar column,
J. Chromatogr., 1986, 362, 383-389, https://doi.org/10.1016/S0021-9673(01)86990-9
. [all data]
Haken, Chretien, et al., 1981
Haken, J.K.; Chretien, J.R.; Lion, C.,
Gas-liquid chromatographic retention behaviour of hindered aliphatic esters,
J. Chromatogr., 1981, 217, 125-137, https://doi.org/10.1016/S0021-9673(00)88067-X
. [all data]
Chastrette, Heintz, et al., 1974
Chastrette, M.; Heintz, M.; Druilhe, A.; Lefort, D.,
Analyse chromatographique d'esters aliphatiques saturés. Relations rétention-structure et prévision de la rétention,
Bull. Soc. Chim. Fr., 1974, 9/10,Pt.1, 1852-1856. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, 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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