O-Xylene
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- The correct title of this article is o-Xylene. The initial letter is shown capitalized due to technical restrictions.
| o-Xylene | |
|---|---|
| Common name | o-Xylene |
| IUPAC name | o-Xylene |
| Other names | o-Xylol 1,2-Dimethylbenzene Orthoxylene |
| Chemical formula | C8H10 |
| Molecular weight | 106.16 amu |
| CAS number | 95-47-6 |
| Boiling point | 144°C |
| Melting point | -24°C |
o-Xylene is an aromatic hydrocarbon, based on benzene with two methyl substituents bonded to adjacent carbon atoms in the aromatic ring (the ortho configuration).
It is an isomer of m-xylene and p-xylene.
o-Xylene is largely used in the production of phthalic anhydride, and is generally extracted by distillation from a mixed xylene stream in a plant primarily designed for p-xylene production.
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