O–xylene appears as a colorless watery liquid with a sweet odor. Less dense than water. · O–xylene is a xylene substituted by methyl groups at positions 1 and 2.
Ortho-xylene is used mostly to produce phthalic anhydride, an important intermediate that leads principally to various coatings and plastics. The least valued of the isomers is meta-xylene, but it has uses in the manufacture of coatings and plastics.
****Is O xylene the same as xylene?
o-Xylene (ortho-xylene) is an aromatic hydrocarbon with the formula C6H4(CH3)2. … It is a constitutional isomer of m-xylene and p-xylene, the mixture being called xylene or xylenes. o-Xylene is a colorless slightly oily flammable liquid.