O-Phenyl O-(2-naphthyl) phosphorothioate from United States
O-Phenyl O-(2-naphthyl) phosphorothioate is a polycyclic aromatic thiophosphoric ester for UV stabilizer applications in plastics. As a separate chemically defined compound, it falls under this tariff item for other thiophosphoric esters.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound
• Provide the chemical structure and purity data to CBSA
• Check if the UV stabilizer use requires any environmental regulations