Molecule record

2-Octadecanone

C18H36O

268.50 g/mol

2D structure for 2-Octadecanone

Molecular properties

Formula
C18H36O
Molar mass
268.50 g·mol−1
Exact mass
268.2766 Da
1
0
1
17.10 Ų
7.9 (PubChem computed XLogP3-AA descriptor)
CAS
7373-13-9
PubChem CID
81844

Interactions

Polarity
Polar functional group with nonpolar contribution from the carbon skeleton.
Acid-base behavior
Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
Intermolecular forces
Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.

Functional groups

Ketone

Physical properties

PropertyValueConditionsSource
Logp7.9PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • 2-Octadecanone, >=97.0% (GC)
  • 7373-13-9
  • CHEMBL3273576
  • DTXCID30146546
  • DTXSID30224055
  • Methyl n-hexadecyl ketone
  • NSC 101084
  • NSC-101084
Show all 17 synonyms
  • NSC101084
  • PJLJQAWUAPNCJC-UHFFFAOYSA-N
  • RefChem:88846
  • SCHEMBL29092
  • SCHEMBL3475165
  • SCHEMBL536800
  • SCHEMBL8371729
  • SCHEMBL8668253
  • octadecan-2-one

Structure identifiers

Canonical SMILES
CCCCCCCCCCCCCCCCC(=O)C
Isomeric SMILES
CCCCCCCCCCCCCCCCC(=O)C
InChI
InChI=1S/C18H36O/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(2)19/h3-17H2,1-2H3
InChIKey
PJLJQAWUAPNCJC-UHFFFAOYSA-N
PubChem CID
81844

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library

Simulated FTIR trace

Predicted FTIR / %T

4 cm-1 resolution / deterministic instrument profile

Hover for cursor
4000350030002500200015001000500100500wavenumber (cm−1)transmittance (%)

Peak assignments

1715 cm−1C=O ketone (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

On-demand educational prediction for 2-Octadecanone; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for 2-Octadecanone; not experimental data.

Sources

Molecule identity

Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.

simulated IR

ChemForge original educational simulation.

Open source record
2-Octadecanone - Formula, Structure, Properties, IR and spectroscopy data | ChemArche