Propanoic acid, 2,2-dimethyl-, butyl ester
- Formula: C9H18O2
- Molecular weight: 158.2380
- IUPAC Standard InChI: InChI=1S/C9H18O2/c1-5-6-7-11-8(10)9(2,3)4/h5-7H2,1-4H3
- IUPAC Standard InChIKey: FCDMDSDHBVPGGE-UHFFFAOYSA-N
- CAS Registry Number: 5129-37-3
- 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: 2,2-Dimethylpropionic acid, buthyl ester; Butyl pivalate; n-Butyl pivalate
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -566.0 ± 1.1 | kJ/mol | Ccb | Verevkin, Beckhaus, et al., 1996 |
Phase change 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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 49.5 ± 0.2 | kJ/mol | GS | Verevkin and Emel'yanenko, 2008 | Based on data from 274. to 313. K.; AC |
| ΔvapH° | 50.39 ± 0.34 | kJ/mol | V | Verevkin, Beckhaus, et al., 1996 | ALS |
| ΔvapH° | 50.4 | kJ/mol | N/A | Verevkin, Beckhaus, et al., 1996 | DRB |
| ΔvapH° | 50.4 ± 0.3 | kJ/mol | GS | Verevkin, Beckhaus, et al., 1996 | Based on data from 274. to 313. K.; AC |
| ΔvapH° | 5552. | kJ/mol | C | Pawlenko, 1963 | ALS |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, 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: 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 | 100. | 965. | 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. | 1133. | 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 | 963. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1128. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Phase change 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., 1996
Verevkin, S.P.; Beckhaus, H.-D.; Belen'kaja, R.S.; Rakus, K.; Ruchardt, C.,
Geminal substituent effects Part 9. Standard enthalpies of formation and strain free increments of branched esters and ethers,
Thermochim. Acta, 1996, 279, 47-64. [all data]
Verevkin and Emel'yanenko, 2008
Verevkin, Sergey P.; Emel'yanenko, Vladimir N.,
Transpiration method: Vapor pressures and enthalpies of vaporization of some low-boiling esters,
Fluid Phase Equilibria, 2008, 266, 1-2, 64-75, https://doi.org/10.1016/j.fluid.2008.02.001
. [all data]
Pawlenko, 1963
Pawlenko, S.,
Kennzahlen und IR-Spektren Einiger Pivalinsaureester,
Liebigs Ann. Chem., 1963, 663, 8-11. [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, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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