Molecule record

Octadecanenitrile

C18H35N

265.50 g/mol

2D structure for Octadecanenitrile

Molecular properties

Formula
C18H35N
Molar mass
265.50 g·mol−1
Exact mass
265.2770 Da
2
0
1
23.80 Ų
8 (PubChem computed XLogP3-AA descriptor)
CAS
638-65-3
PubChem CID
12532

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

Nitrile

Physical properties

PropertyValueConditionsSource
Logp8PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • 1-Cyanoheptadecane
  • 211-345-3
  • 638-65-3
  • C18H35N
  • CHEBI:133638
  • DTXCID507280
  • DTXSID4027280
  • HSDB 5735
Show all 22 synonyms
  • Heptadecyl cyanide
  • MFCD00001947
  • NSC-5541
  • Nitril kyseliny stearove
  • Nitril kyseliny stearove [Czech]
  • OCTADECANONITRILE
  • Octadecanoic acid, nitrile
  • Oktadekannitril
  • Oktadekannitril [Czech]
  • QXY19Q5N5I
  • RefChem:167602
  • Stearinsaeurenitril
  • Stearinsaeurenitril [German]
  • Stearonitrile

Structure identifiers

Canonical SMILES
CCCCCCCCCCCCCCCCCC#N
Isomeric SMILES
CCCCCCCCCCCCCCCCCC#N
InChI
InChI=1S/C18H35N/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h2-17H2,1H3
InChIKey
RHSBIGNQEIPSCT-UHFFFAOYSA-N
PubChem CID
12532

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

2250 cm−1C≡N nitrile (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

On-demand educational prediction for Octadecanenitrile; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for Octadecanenitrile; 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