Hexanoic acid
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChIKey: FUZZWVXGSFPDMH-UHFFFAOYSA-N
- CAS Registry Number: 142-62-1
- 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: Caproic acid; n-Caproic acid; n-Hexanoic acid; n-Hexoic acid; n-Hexylic acid; Butylacetic acid; Capronic acid; Hexoic acid; Pentiformic acid; Pentylformic acid; 1-Pentanecarboxylic acid; CH3(CH2)4COOH; Pentane-1-carboxylic acid; 1-Hexanoic acid; Hexacid 698; Kyselina kapronova; Pentanecarboxylic acid; NSC 8266
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Enthalpy of formation of gas at standard conditions (nominally 298.15 K, 1 atm.)
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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
ΔfH°gas (kcal/mol) | Method | Reference | Comment |
---|---|---|---|
-122.2 ± 0.36 | N/A | Fenwick, Harrop, et al., 1978 | Value computed using ΔfHliquid° value of -581.8±1.1 kj/mol from Fenwick, Harrop, et al., 1978 and ΔvapH° value of 70.6±1.0 kj/mol from Adriaanse, Dekker, et al., 1965.; DRB |
-121.6 ± 0.55 | N/A | Fenwick, Harrop, et al., 1978 | Value computed using ΔfHliquid° value of -581.8±1.1 kj/mol from Fenwick, Harrop, et al., 1978 and ΔvapH° value of 73.2±2.0 kj/mol from missing citation.; DRB |
-122.2 ± 0.36 | Ccb | Fenwick, Harrop, et al., 1978 | Value computed using ΔfHliquid° from Fenwick, Harrop, et al., 1978 and ΔvapH° value of 16.9 kcal/mol from Adriaanse, Dekker, et al., 1965.; DRB |
-122.5 ± 0.4 | Ccb | Adriaanse, Dekker, et al., 1965 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
-123.1 ± 0.26 | N/A | Lebedeva, 1964 | Value computed using ΔfHliquid° value of -585.7±0.5 kj/mol from Lebedeva, 1964 and ΔvapH° value of 70.6±1.0 kj/mol from Adriaanse, Dekker, et al., 1965.; DRB |
-122.5 ± 0.50 | N/A | Lebedeva, 1964 | Value computed using ΔfHliquid° value of -585.7±0.5 kj/mol from Lebedeva, 1964 and ΔvapH° value of 73.2±2.0 kj/mol from missing citation.; DRB |
-123.1 ± 0.26 | Ccb | Lebedeva, 1964 | Value computed using ΔfHliquid° from Lebedeva, 1964 and ΔvapH° value of 16.9 kcal/mol from Adriaanse, Dekker, et al., 1965.; DRB |
References
Go To: Top, Enthalpy of formation of gas at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Fenwick, Harrop, et al., 1978
Fenwick, J.O.; Harrop, D.; Head, A.J.,
Thermodynamic properties of organic oxygen compounds. 46. Enthalpies of formation of ethyl acetate and 1-hexanoix acid,
J. Chem. Thermodyn., 1978, 10, 687-690. [all data]
Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J.,
Heats of combustion of normal saturated fatty acids and their methyl esters,
Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [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]
Lebedeva, 1964
Lebedeva, N.D.,
Heats of combustion of monocarboxylic acids,
Russ. J. Phys. Chem. (Engl. Transl.), 1964, 38, 1435-1437. [all data]
Notes
Go To: Top, Enthalpy of formation of gas at standard conditions (nominally 298.15 K, 1 atm.), 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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