1,4-Naphthalenedicarboxylic Acid from Canada
Aromatic polycarboxylic acid derived from naphthalene, used in high-performance polyester resins and liquid crystal polymers. Included in HTS 2917.39.30.00 under additional U.S. note 3 to section VI for specific aromatic diacids subject to import quotas.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Lower volume imports; confirm quota prorated allocation through CBP quota status reports
• Specify CAS 92-24-0 and HPLC purity certificate in commercial invoice