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Molecule record

1-ethyl-2-methylbenzene

C9H12

120.19 g/mol

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Molecular properties

Formula
C9H12
Molar mass
120.19 g·mol−1
Exact mass
120.0939 Da
4
PubChem CID
11903

Functional groups

Alkane / alkyl carbon
Aromatic ring

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • 1,2-methylethylbenzene
  • 1-Methyl-2-ethylbenzene
  • 2-Ethyltoluene
  • 2-Methyl-1-ethylbenzene
  • 2-ethyl toluene
  • 4-05-00-00999 (Beilstein Handbook Reference)
  • 611-14-3
  • AI3-28773
Show all 24 synonyms
  • BRN 1851237
  • Benzene, 1-ethyl-2-methyl-
  • CHEBI:34276
  • DBX00873SV
  • DTXCID5029477
  • DTXSID2050403
  • EINECS 210-255-1
  • Ethyltoluene
  • Ethyltoluene, o-
  • NSC 405731
  • O-ETHYLTOLUENE
  • Toluene, o-ethyl-
  • o-Ethyl methyl benzene
  • o-Ethyl methylbenzene
  • o-Methylethylbenzene
  • ortho-Ethyltoluene

Structure identifiers

Canonical SMILES
CCc1ccccc1C
Isomeric SMILES
CCC1=CC=CC=C1C
InChI
InChI=1S/C9H12/c1-3-9-7-5-4-6-8(9)2/h4-7H,3H2,1-2H3
InChIKey
HYFLWBNQFMXCPA-UHFFFAOYSA-N
PubChem CID
11903

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 1-ethyl-2-methylbenzene; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for 1-ethyl-2-methylbenzene; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)
Open source record