Molecule record

palmitic acid

C16H32O2

256.42 g/mol

2D structure for palmitic acid

Molecular properties

Formula
C16H32O2
Molar mass
256.42 g·mol−1
Exact mass
256.2402 Da
1
1
2
37.30 Ų
6.4 (PubChem computed XLogP3-AA descriptor)
CAS
57-10-3
PubChem CID
985

Interactions

Polarity
Often polar; exact polarity depends on size, substitution, and ionization state.
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

Alcohol
Carboxylic acid

Physical properties

PropertyValueConditionsSource
Logp6.4PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • 1-Hexyldecanoic Acid
  • 1-Pentadecanecarboxylic acid
  • 57-10-3
  • Cetylic acid
  • Emersol 140
  • Emersol 143
  • FEMA No. 2832
  • Hexadecanoic acid
Show all 23 synonyms
  • Hexadecylic acid
  • Hydrofol
  • Hystrene 8016
  • Hystrene 9016
  • Industrene 4516
  • Kortacid 1698
  • Loxiol EP 278
  • Palmitic acid 95%
  • Palmitic acid, pure
  • Palmitinic acid
  • Pentadecanecarboxylic acid
  • hexadecoic acid
  • hexaectylic acid
  • n-Hexadecanoic acid
  • n-Hexadecoic acid

Structure identifiers

Canonical SMILES
CCCCCCCCCCCCCCCC(=O)O
Isomeric SMILES
CCCCCCCCCCCCCCCC(=O)O
InChI
InChI=1S/C16H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h2-15H2,1H3,(H,17,18)
InChIKey
IPCSVZSSVZVIGE-UHFFFAOYSA-N
PubChem CID
985

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

3350 cm−1broad O-H (simulated)
3000 cm−1broad acid O-H (simulated)
1710 cm−1C=O acid (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

On-demand educational prediction for palmitic acid; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for palmitic acid; 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