O-Xylene (CAS:1330-20-7) is an important aromatic hydrocarbon compound with the chemical formula C₈H₁₀ and CAS No. 95-47-6. At room temperature, it is a colorless, transparent liquid. It is mainly used in the production of phthalic anhydride, dyes, and other chemical products, and can also be used as a solvent.
Chemical Properties and Industrial Applications
- Chemical Intermediate:
o-Xylene is an important intermediate in the production of o-methylbenzoic acid and can be used in the synthesis of tetrachlorophthalimide and the herbicide bensulfuron-methyl.
- Phthalic Anhydride Production:
Through oxidation, o-xylene can be converted into phthalic anhydride, which is widely used in the production of plasticizers, resins, and coatings.
- Solvent Uses:
In the paint, coating, and ink industries, o-xylene is used as a diluent due to its good solubility.
Safety and Storage Precautions
Toxicity: o-Xylene is irritating to the skin, eyes, and respiratory tract. Prolonged exposure may damage the central nervous system.
Storage Conditions: Keep away from fire sources, store in a cool and well-ventilated area, and avoid contact with strong oxidizing agents.
Protective Measures: When handling, wear a gas mask, chemical-resistant gloves, and protective goggles.
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