Octanal
- Formula: C8H16O
- Molecular weight: 128.2120
- 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
Go To: Top, Condensed phase thermochemistry data, Henry's Law 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -291.9 ± 2.8 | kJ/mol | Ccr | Geiseler and Ratzsch, 1965 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Henry's Law 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 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 | -5100.04 | kJ/mol | Ccr | Geiseler and Ratzsch, 1965 | Corresponding ΔfHºliquid = -334.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 365.4 | J/mol*K | N/A | D'yakova and Vasil'ev, 1982 | DH |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Condensed 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
210. | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. Value at T = 303. K. | |
2.1 | 7400. | M | N/A | The data from Table 1 by missing citation was used to redo the regression analysis. The data for acetone in their Table 2 is wrong. |
1.9 | M | Buttery, Ling, et al., 1969 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Henry's Law 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]
Buttery, Ling, et al., 1969
Buttery, R.G.; Ling, L.C.; Guadagni, D.G.,
Volatilities Aldehydes, Ketones, and Esters in Dilute Water Solution,
J. Agric. Food Chem., 1969, 17, 385-389. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Henry's Law data, References
- Symbols used in this document:
S°liquid Entropy of liquid at standard conditions d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K 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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