Pentanoic acid, butyl ester
- Formula: C9H18O2
- Molecular weight: 158.2380
- IUPAC Standard InChI: InChI=1S/C9H18O2/c1-3-5-7-9(10)11-8-6-4-2/h3-8H2,1-2H3
- IUPAC Standard InChIKey: OKJADYKTJJGKDX-UHFFFAOYSA-N
- CAS Registry Number: 591-68-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Valeric acid, butyl ester; Butyl pentanoate; Butyl valerate; Butyl valerianate; n-Butyl pentanoate; n-Butyl pentenoate
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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:
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.
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 460. | K | N/A | Gill and Dexter, 1934 | Uncertainty assigned by TRC = 3. K; TRC |
| Tboil | 459.0 | K | N/A | Gartenmeister, 1886 | Uncertainty assigned by TRC = 2. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Ttriple | 189.37 | K | N/A | Vasil'ev and Petrov, 1984 | Uncertainty assigned by TRC = 0.02 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 12.7 ± 0.3 | kcal/mol | E | Schjanberg, 1937 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
| ΔvapH° | 12.7 | kcal/mol | N/A | Schjanberg, 1937 | DRB |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.9 | 293. | V | Schjanberg, 1937 | ALS |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gill and Dexter, 1934
Gill, A.H.; Dexter, F.P.,
Ind. Eng. Chem., 1934, 26, 881. [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]
Vasil'ev and Petrov, 1984
Vasil'ev, I.A.; Petrov, V.M.,
Thermodynamic Properties of Oxygen-containing Organic Compounds, Handbook, Soedinenii: Khimya, Leningrad, p 240, 1984. [all data]
Schjanberg, 1937
Schjanberg, E.,
Die verbrennungswarmen und die refraktionsdaten einiger pentensaureeste,
Z. Phys. Chem., 1937, 178, 274-281. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Ttriple Triple point temperature ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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