What Is the CAS Number and HS Code of p-Xylene?
Chemical Name: p-Xylene (Para-Xylene)
Molecular Formula: C₈H₁₀
CAS No.: 106-42-3
This CAS number uniquely identifies p-xylene worldwide and is commonly required for MSDS, COA, and regulatory documents.
HS Code: 2902.43
In most countries, p-xylene is classified separately from mixed xylene under HS 2902.43, while mixed xylene usually falls under HS 2902.44.

Paraxylene (p-Xylene) Safety Information:
- Paraxylene is a volatile organic compound with moderate toxicity. Avoid direct skin contact and inhalation of vapors.
- Ensure adequate ventilation during use to prevent concentrations from exceeding safe limits.
- Be mindful of fire and explosion hazards; avoid contact with oxidizers and strong acids.
- In case of accidental leakage, promptly remove spilled material and dispose of waste appropriately.
- Store away from high temperatures, ignition sources, and direct sunlight.
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