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
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
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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

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, 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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