O-Phenyl O-(2-naphthyl) phosphorothioate from Japan
Polycyclic aromatic thiophosphoric ester for UV stabilizer applications in plastics. HTS 2920.19.40.00 covers this naphthyl-phenyl 'other' phosphorodithioate derivative. Naphthalene substitution qualifies as aromatic per tariff definition.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• PAH content testing mandatory for naphthyl compounds; include UV absorption spectra; declare as non-coloring per chapter exclusion (g)