from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An aromatic hydrocarbon based on benzene with two methyl substituents bonded to adjacent carbon atoms in the aromatic ring (the ortho configuration).

from the GNU version of the Collaborative International Dictionary of English

  • n. That variety of xylene (C6H4(CH3)2) in which the two methyl groups are in the ortho position; a colorless, liquid, combustible hydrocarbon resembling benzene.


from Wiktionary, Creative Commons Attribution/Share-Alike License

ortho- +‎ xylene


  • If you photooxidize orthoxylene, with it's two adjacent methyl groups, when the ring opens, a certain percentage of time you get biacetyl.

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  • Annual aromatics growth rates are pro - jected at 4 to 5 percent in Europe and 5 to 7 percent Left, top: With 11 aromatics plants, ExxonMobil Chemical is the world's largest producer of paraxylene, orthoxylene and benzene, fundamental materials for a wide range of consumer products.

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  • EBIT margin dollars were negatively impacted by approximately $5 million as higher cost yearend inventories, primarily phthalic anhydride, orthoxylene and carbon black feedstock, were processed. Home Page

  • At present, CheMatch offers members -- i.e., registered buyers and sellers -- the ability to trade benzene, mixed xylenes, para xylene, orthoxylene, toluene, methanol, mtbe, and styrene monomer.

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