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 Copy

  
• IUPAC Standard InChIKey: NUJGJRNETVAIRJ-UHFFFAOYSA-N Copy
• 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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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Reduced pressure boiling point

Enthalpy of vaporization

Enthalpy of fusion

Enthalpy of phase transition

Entropy of phase transition

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Gaiffe and Palland, 1962
Gaiffe, A.; Palland, R., C. R. Hebd. Seances Acad. Sci., 1962, 254, 3099. [all data]

Harries, 1916
Harries, C.D., Ozone and Its Action on Organic Compound, 1916. [all data]

Sabatier and Mailhe, 1914
Sabatier, P.; Mailhe, A., C. R. Hebd. Seances Acad. Sci., 1914, 158, 985. [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]

Gude and Teja, 1994
Gude, M.T.; Teja, A.S., The Critical Properties of Several n-Alkanals, Tetralin and NMP, Experimental Results for DIPPR 1990-91 Projects on Phase Equilibria and Pure Component Properties, 1994, 1994, DIPPR Data Series No. 2, p.174-83. [all data]

Teja and Rosenthal, 1990
Teja, A.S.; Rosenthal, D.J., The Critical Pressures and Temperatures of Twelve Substances Using A Low Residence Time Flow Apparatus, AIChE Symp. Ser., 1990, 86, 279, 133-7. [all data]

Verevkin, Krasnykh, et al., 2003
Verevkin, Sergey P.; Krasnykh, Eugen L.; Vasiltsova, Tatiana V.; Koutek, Bohumir; Doubsky, Jan; Heintz, Andreas, Vapor pressures and enthalpies of vaporization of a series of the linear aliphatic aldehydes, Fluid Phase Equilibria, 2003, 206, 1-2, 331-339, https://doi.org/10.1016/S0378-3812(03)00035-9 . [all data]

Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G., Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times, Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3 . [all data]

D'yakova, Korichev, et al., 1981
D'yakova, G.N.; Korichev, G.L.; Korkhova, A.D.; Vasil'eva, T.F.; Vasil'ev, I.A., Zh. Prikl. Khim. (Leningrad), 1981, 54, 1644. [all data]

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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

D'yakova and Vasil'ev, 1980
D'yakova, G.N.; Vasil'ev, I.A., Study of the thermodynamic properties of octanal and decanal, B.S.R. Inst. Neftekhim. Protsessov (Leningrad), 1980, (1), 51. [all data]

Notes

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• Symbols used in this document:
  

  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔfusH	Enthalpy of fusion
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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