Octanal
- Formula: C8H16O
- Molecular weight: 128.2120
- IUPAC Standard InChI: InChI=1S/C8H16O/c1-2-3-4-5-6-7-8-9/h8H,2-7H2,1H3
- IUPAC Standard InChIKey: NUJGJRNETVAIRJ-UHFFFAOYSA-N
- CAS Registry Number: 124-13-0
- 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: n-Caprylaldehyde; n-Octaldehyde; n-Octanal; n-Octylal; Antifoam-LF; Caprylaldehyde; Caprylic aldehyde; Octaldehyde; Octanaldehyde; Octanoic aldehyde; Octylaldehyde; 1-Octanal; n-Octyl aldehyde; Aldehyde C-8; C-8 Aldehyde; NSC 1508
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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 | -69.77 ± 0.67 | kcal/mol | Ccr | Geiseler and Ratzsch, 1965 |
Condensed 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔcH°liquid | -1218.94 | kcal/mol | Ccr | Geiseler and Ratzsch, 1965 | Corresponding ΔfHºliquid = -79.99 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 87.33 | cal/mol*K | N/A | D'yakova and Vasil'ev, 1982 | DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Geiseler and Ratzsch, 1965
Geiseler, V.G.; Ratzsch, M.,
Bildungsenthalpien stellungsisomerer n-Alkanderivate. 1. Mitteilung: Bildungsenthalpien des Octanals und der drei isomeren Octanone,
Ber. Bunsen-Ges. Phys. Chem., 1965, 69, 485-488. [all data]
D'yakova and Vasil'ev, 1982
D'yakova, G.N.; Vasil'ev, I.A.,
Thermodynamic properties of aliphatic aldehydes, 1982, Termodin. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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