C2-Benzenes

The C2benzenes are a class of organic aromatic compounds which contain a benzene ring and two other carbon atoms. For the hydrocarbons with no further unsaturation, there are four isomers. There are three xylenes and one ethylbenzene. The substances are:

Xylenes

  • o-xylene (1,2-dimethylbenzene),
  • m-xylene (1,3-dimethylbenzene)
  • p-xylene (1,4-dimethylbenzene)

Other

  • Ethylbenzene (not a true xylene but present in mixtures called "mixed xylenes")
  • Styrene
  • Phenylacetylene
  • 1,2-Dimethylbenzene
    1,2-Dimethylbenzene
  • 1,3-Dimethylbenzene
    1,3-Dimethylbenzene
  • 1,4-Dimethylbenzene
    1,4-Dimethylbenzene
  • Ethylbenzene
    Ethylbenzene
  • Styrene
    Styrene
  • Phenylacetylene
    Phenylacetylene
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  • v
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Hydrocarbons
Saturated
aliphatic
hydrocarbons
Alkanes
CnH2n + 2
Linear alkanes
  • Methane
  • Ethane
  • Propane
  • Butane
  • Pentane
  • Hexane
  • Heptane
  • Octane
  • Nonane
  • Decane
Branched alkanes
Cycloalkanes
Alkylcycloalkanes
Bicycloalkanes
Polycycloalkanes
Other
  • Spiroalkanes
Unsaturated
aliphatic
hydrocarbons
Alkenes
CnH2n
Linear alkenes
Branched alkenes
Alkynes
CnH2n − 2
Linear alkynes
Branched alkynes
  • Isopentyne
  • Isohexyne
  • Isoheptyne
  • Isooctyne
  • Isononyne
  • Isodecyne
Cycloalkenes
Alkylcycloalkenes
Bicycloalkenes
Cycloalkynes
Dienes
Other
Aromatic
hydrocarbons
PAHs
Acenes
Other
Alkylbenzenes
C2-Benzenes
Xylenes
  • o-Xylene
  • m-Xylene
  • p-Xylene
Other
C3-Benzenes
Trimethylbenzenes
Other
C4-Benzenes
Cymenes
  • o-Cymene
  • m-Cymene
  • p-Cymene
Tetramethylbenzenes
Other
Other
Vinylbenzenes
Other
Other