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1,4-Naphthalenedicarboxylic Acid from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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