O-xylene appears as a colorless watery liquid with a sweet odor. Less dense than water. Insoluble in water. Irritating vapor.O-xylene is a xylene substituted by methyl groups at positions 1 and 2.

Chemical field: Used as a solvent in organic synthesis, and as a raw material for the synthesis of phthalic anhydride, dyes, resins, pesticides and plasticizers.

Pharmaceutical field: Used as an organic solvent for pharmaceutical intermediates and drug synthesis.

Other fields: Used in the production of coatings, inks, adhesives, and widely applied in international export trade.