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
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • 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:
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 (bar)
    T = temperature (K)

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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.

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

Bestmann and Schulze, 1959
Bestmann, H.J.; Schulze, H., Preparation of ALdehydes from Their Esters With Raney Nickel, Chem. Ber., 1959, 92, 530. [all data]

Stephen, 1925
Stephen, H., J. Chem. Soc., 1925, 127, 1874. [all data]

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]

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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Notes

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• 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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