Chemistry:1,8-Dimethylnaphthalene

From HandWiki

1,8-Dimethylnaphthalene (1,8-DMN) is an organic compound with the formula C
10H
6(CH
3)
2. It is one of the ten isomers of dimethylnaphthalene.[1] Methylated naphthalenes are typically obtained from coal tar. The concentration of 1,8-dimethylnaphthalene have attracted interest as markers of the age of a petroleum.[2] 1,8-Dimethylnaphthalene isomerizes to 1,7-dimethylnaphthalene when heated near 360 °C in the presence of clays.[3]

References

  1. ↑ Collin, Gerd; Höke, Hartmut; Greim, Helmut (2003). "Ullmann's Encyclopedia of Industrial Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a17_001.pub2. 
  2. ↑ Alexander, Robert; Kagi, Robert; Sheppard, Peter (1984). "1,8-Dimethylnaphthalene as an indicator of petroleum maturity". Nature 308 (5958): 442–443. doi:10.1038/308442a0. Bibcode: 1984Natur.308..442A. 
  3. ↑ Smith, J.W.; Batts, B.D. (1992). "Thermal reactions of 1,8-dimethylnaphthalene". Organic Geochemistry 18 (5): 737–744. doi:10.1016/0146-6380(92)90099-J. Bibcode: 1992OrGeo..18..737S. 



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