C4-Benzenes

The C₄-benzenes are a class of organic aromatic compounds which contain a benzene ring and four other carbon atoms. There are three tetramethylbenzenes, six dimethylethylbenzenes, three diethylbenzenes, three isopropylmethylbenzenes, three n-propylmethylbenzenes and four butylbenzenes. The saturated compounds have formula C₁₀H₁₄ and molecular weight 134.22 g/mol. C₄-benzenes are found in petroleum.^[1] Petrol (gasoline) can contain 5-8% C₄-benzenes.^[2]

prehnitene
isodurene
durene
1,2,3-Ethyldimethylbenzene
1,2,4-Ethyldimethylbenzene
1,2,5-Ethyldimethylbenzene
1,2,6-Ethyldimethylbenzene
1,3,4-Ethyldimethylbenzene
1,2,5-Ethyldimethylbenzene
ortho-diethylbenzene
meta-diethylbenzene
para-diethylbenzene
o-Cymene
m-Cymene
p-Cymene
1,2-Propylmethylbenzene
1,3-Propylmethylbenzene
1,4-Propylmethylbenzene
n-Butylbenzene
sec-Butylbenzene
tert-Butylbenzene
Isobutylbenzene

1,2,3,4-Tetramethylbenzene or Prehnitene
1,3,4,5-Tetramethylbenzene or Isodurene
1,2,4,5-Tetramethylbenzene or Durene
1,2-Diethylbenzene
1,3-Diethylbenzene
1,4-Diethylbenzene
o-Cymene
m-Cymene
p-Cymene
n-Butylbenzene
Isobutylbenzene
sec-Butylbenzene
tert-Butylbenzene

References

↑ Hill, Ronald J.; Lu, Shan-tan; Tang, Yongchun; Henry, Mitchell; Kaplan, Isaac R. (2004). "C4-benzene and C4-naphthalene thermal maturity indicators for pyrolysates, oils and condensates". The Geochemical Society Special Publications 9: 303–319. doi:10.1016/S1873-9881(04)80022-1. ISBN 9780444516473.
↑ Kostecki, Paul T.; Calabrese, Edward J. (1993) (in en). Hydrocarbon Contaminated Soils. CRC Press. p. 217. ISBN 9781566700184. https://books.google.com/books?id=K0PNgljP75wC&pg=PA217.

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[1] Hill, Ronald J.; Lu, Shan-tan; Tang, Yongchun; Henry, Mitchell; Kaplan, Isaac R. (2004). "C4-benzene and C4-naphthalene thermal maturity indicators for pyrolysates, oils and condensates". The Geochemical Society Special Publications 9: 303–319. doi:10.1016/S1873-9881(04)80022-1. ISBN 9780444516473.

[2] Kostecki, Paul T.; Calabrese, Edward J. (1993) (in en). Hydrocarbon Contaminated Soils. CRC Press. p. 217. ISBN 9781566700184. https://books.google.com/books?id=K0PNgljP75wC&pg=PA217.