Octadecanamide

• Formula: C₁₈H₃₇NO
• Molecular weight: 283.4925
• IUPAC Standard InChI: InChI=1S/C18H37NO/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H2,19,20) Copy

  
• IUPAC Standard InChIKey: LYRFLYHAGKPMFH-UHFFFAOYSA-N Copy
• CAS Registry Number: 124-26-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Stearamide; Adogen 42; Octadecamide; Octadecylamide; Stearic acid amide; Stearic amide; Stearoylamide; Stearoylamine; Stearylamide; Kemamide S; Armid 18; Advawax 290; Amide T; Crodamide S; Crodamide SR; Petrac vyn-eze; Uniwax 1750; NSC 66462
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Reduced pressure boiling point

Enthalpy of sublimation

Enthalpy of fusion

IR Spectrum

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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: Coblentz Society, Inc.

Condensed Phase Spectrum

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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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

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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References

Go To: Top, Phase change data, IR Spectrum, 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.

Chickos, Braton, et al., 1991
Chickos, J.S.; Braton, C.M.; Hesse, D.G.; Liebman, J.F., Estimating entropies and enthalpies of fusion of organic compounds, J. Org. Chem., 1991, 56, 3, 927, https://doi.org/10.1021/jo00003a007 . [all data]

Mod, Magne, et al., 1960
Mod, R.R.; Magne, F.C.; Skau, E.L., Pure Acid-Free Amides of C18 Fatty Acids. Their Preparation and Binary Freezing Point Behavior, J. Chem. Eng. Data, 1960, 5, 478. [all data]

Davies, Jones, et al., 1959
Davies, M.; Jones, A.H.; Thomas, G.H., The lattice energies of the straight-chain primary amides, Trans. Faraday Soc., 1959, 55, 1100. [all data]

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]

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]

Abate, Badea, et al., 2008
Abate, Lorenzo; Badea, Elena; Blanco, Ignazio; Della Gatta, Giuseppe, Heat Capacities and Enthalpies of Solid-Solid Transitions and Fusion of a Series of Eleven Primary Alkylamides by Differential Scanning Calorimetry, J. Chem. Eng. Data, 2008, 53, 4, 959-965, https://doi.org/10.1021/je700662a . [all data]

Acree, 1993
Acree, William E., Thermodynamic properties of organic compounds, Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T . [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]

Zhao, Li, et al., 2008
Zhao, Y.; Li, J.; Xu, Y.; Duan, H.; Fan, W.; Zhao, G., EXtraction, preparation and identification of volatile compounds in Changyu XO brandy, Chinese J. Chromatogr., 2008, 26, 2, 212-222, https://doi.org/10.1016/S1872-2059(08)60014-0 . [all data]

Kawasaki, Matsui, et al., 1998
Kawasaki, W.; Matsui, K.; Akakabe, Y.; Itai, N.; Kajiwara, T., Long-chain aldehyde-forming activity in tobacco leaves, Phytochemistry, 1998, 49, 6, 1565-1568, https://doi.org/10.1016/S0031-9422(98)00236-2 . [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation

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