Molecule record

2-Bromobutane

C4H9Br

137.02 g/mol

2D structure for 2-Bromobutane

Molecular properties

Formula
C4H9Br
Molar mass
137.02 g·mol−1
Exact mass
135.9888 Da
0
0
0
0.00 Ų
2.3 (PubChem computed XLogP3-AA descriptor)
CAS
78-76-2
PubChem CID
6554

Interactions

Polarity
Often weakly polar or nonpolar unless other structural features dominate.
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

No functional-group assignment has been curated yet.

Physical properties

PropertyValueConditionsSource
Logp2.3PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • (+-)-2-Bromobutane
  • 1-Bromo-1-methylpropane
  • 2-Bromo-butane
  • 2-Butyl bromide
  • 201-140-7
  • 78-76-2
  • Butane, 2-bromo-
  • CCRIS 106
Show all 22 synonyms
  • DTXCID201499
  • DTXSID7021499
  • EINECS 201-140-7
  • HSDB 2197
  • MFCD00000156
  • Methylethylbromomethane
  • NSC 8417
  • NSC-8417
  • RefChem:85855
  • SEC-BUTYL BROMIDE
  • SSI829JO4W
  • Secondary butyl bromide
  • UN2339
  • sec-Butylbromide

Structure identifiers

Canonical SMILES
CCC(C)Br
Isomeric SMILES
CCC(C)Br
InChI
InChI=1S/C4H9Br/c1-3-4(2)5/h4H,3H2,1-2H3
InChIKey
UPSXAPQYNGXVBF-UHFFFAOYSA-N
PubChem CID
6554

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

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

Simulated EI mass spectrum

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

Sources

Molecule identity

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

Open source record