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Molecule record

Tetrahydrofuran

C4H8O

72.11 g/mol

Show IUPAC name

IUPAC name

Oxolane

2D structure for Tetrahydrofuran

Molecular properties

Formula
C4H8O
Molar mass
72.11 g·mol−1
Exact mass
72.0575 Da
1
0
1
9.20 Ų
0.5 (PubChem computed XLogP3-AA descriptor)
CAS
109-99-9
PubChem CID
8028

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

Aromatic ring
Ether
Phenol

Physical properties

PropertyValueConditionsSource
Logp0.5PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • 1,4-Epoxybutane
  • 109-99-9
  • 3N8FZZ6PY4
  • Agrisynth THF
  • Butane, 1,4-epoxy-
  • Butane, alpha,delta-oxide
  • Cyclotetramethylene oxide
  • DTXCID501328
Show all 20 synonyms
  • DTXSID1021328
  • Furan, tetrahydro-
  • Furanidine
  • Hydrofuran
  • NCI-C60560
  • NSC-57858
  • Oxacyclopentane
  • RCRA waste number U213
  • Tetrahydrofuraan
  • Tetrahydrofuranne
  • Tetraidrofurano
  • Tetramethylene oxide

Structure identifiers

Canonical SMILES
C1CCOC1
Isomeric SMILES
C1CCOC1
InChI
InChI=1S/C4H8O/c1-2-4-5-3-1/h1-4H2
InChIKey
WYURNTSHIVDZCO-UHFFFAOYSA-N
PubChem CID
8028

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library

IR spectrum

ChemArche Original Educational Content(redistributable)

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)
3030 cm−1aromatic C-H (simulated)
1600 cm−1aromatic C=C (simulated)
1100 cm−1C-O ether (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

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

Simulated EI mass spectrum

On-demand educational fragmentation for Tetrahydrofuran; not experimental data.

Related molecules

2D structure for CYCLOHEXANE

CYCLOHEXANE

C6H1284.16 g·mol−1

2D structure for DIETHYL ETHER

DIETHYL ETHER

C4H10O74.12 g·mol−1

2D structure for ethanol

ethanol

C2H6O46.07 g·mol−1

Sources

Molecule identity

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

PubChem(link only)

simulated IR

ChemForge original educational simulation.

ChemArche Original Educational Content(redistributable)
Open source record