Octadecanal

• Formula: C₁₈H₃₆O
• Molecular weight: 268.4778
• IUPAC Standard InChI: InChI=1S/C18H36O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h18H,2-17H2,1H3 Copy

  
• IUPAC Standard InChIKey: FWWQKRXKHIRPJY-UHFFFAOYSA-N Copy
• CAS Registry Number: 638-66-4
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Stearaldehyde; Octadecyl aldehyde; Stearyl aldehyde; n-Octadecanal; 1-octadecanal
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, temperature ramp

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Kovats' RI, polar column, isothermal

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Kovats' RI, polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, temperature ramp

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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Lee's RI, non-polar column, custom temperature program

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References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Geiseler and Richter, 1960
Geiseler, G.; Richter, P., Chem. Ber., 1960, 93, 2511-21. [all data]

Bestmann and Schulze, 1959
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Stephen, 1925
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Krafft, 1880
Krafft, F., The production of laurinaldehyde c(12)h(24)o, myristinaldehyde c(14)h(28)o, palmitinaldehyde c(16)h(32)o, stearinaldehyde c(18)h(36)o: I investigation of aldehydes, Ber. Dtsch. Chem. Ges., 1880, 13, 1413-8. [all data]

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Chisholm, Jell, et al., 2003
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Senatore, F.; Landolfi, S.; Celik, S.; Bruno, M., Volatile components of Centaurea calcitrapa L. and Centaurea sphaerocephala L. ssp. sphaerocephala, two Asteraceae growing wild in Sicily, Flavour Fragr. J., 2006, 21, 2, 282-285, https://doi.org/10.1002/ffj.1585 . [all data]

Dhanda, Pegg, et al., 2003
Dhanda, J.S.; Pegg, R.B.; Shand, P.J., Saskatchewan specialty livestock value-added program - Saskatchewan agri-food innovation fund (AFIF) Project #98000016, 2003, retrieved from http://www.agr.gov.sk.ca/afif/Projects/19980016.pdf. [all data]

Naka, van Vang, et al., 2003
Naka, H.; van Vang, L.; Inomata, S.-I.; Ando, T.; Kimura, T.; Honda, H.; Tsuchida, K.; Sakurai, H., Sex pheromone of the persimmon fruit moth, Stathmopoda masinissa: identification and laboratory bioassay of (4E, 6Z)-4,6-hexadecadien-1-ol derivatives, J. Chem. Ecol., 2003, 29, 11, 2447-2459, https://doi.org/10.1023/A:1026301800140 . [all data]

Tkachev, Dobrotvorsky, et al., 2000
Tkachev, A.V.; Dobrotvorsky, A.K.; Vjalkov, A.I.; Morozov, S.V., Chemical composition of lipophylic compounds from the body surface of unfed adult Ixodes persulcatus ticks (Acari: Ixodidae), Experimental and Applied Acarology, 2000, 24, 2, 145-158, https://doi.org/10.1023/A:1006430323587 . [all data]

King, Hamilton, et al., 1993
King, M.-F.; Hamilton, B.L.; Matthews, M.A.; Rule, D.C.; Field, R.A., Isolation and identification of volatiles and condensable material in raw beef with supercritical carbon dioxide extraction, J. Agric. Food Chem., 1993, 41, 11, 1974-1981, https://doi.org/10.1021/jf00035a030 . [all data]

Berdague, Denoyer, et al., 1991
Berdague, J.-L.; Denoyer, C.; Le Quéré, J.-L.; Semon, E., Volatile components of dry-cured ham, J. Agric. Food Chem., 1991, 39, 7, 1257-1261, https://doi.org/10.1021/jf00007a012 . [all data]

Okumura, 1991
Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333 . [all data]

Tamura, Kihara, et al., 1990
Tamura, H.; Kihara, S.; Sugisawa, H., A New Identification Method for Aliphatic Compounds Using Linear Equation of the GC Retention Index Value, Agric. Biol. Chem., 1990, 54, 12, 3171-3176, https://doi.org/10.1271/bbb1961.54.3171 . [all data]

Bestmann, Classen, et al., 1988
Bestmann, H.-J.; Classen, B.; Kobold, U.; Vostrowsky, O.; Klingauf, F.; Stein, U., Steam volatile constituents from leaves of Rhus typhina, Phytochemistry, 1988, 27, 1, 85-90, https://doi.org/10.1016/0031-9422(88)80595-8 . [all data]

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Lorenz, G.; Stern, D.J.; Flath, R.A.; Haddon, W.F.; Tillin, S.J.; Teranishi, R., Identification of sheep liver volatiles, J. Agric. Food Chem., 1983, 31, 5, 1052-1057, https://doi.org/10.1021/jf00119a033 . [all data]

Grzeszczuk, Wesolowska, et al., 2011
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Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔvapH	Enthalpy of vaporization

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