</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Isophthalic Acid (IPA) from Japan

Isophthalic acid, a meta-isomer of benzene dicarboxylic acid, is an aromatic polycarboxylic acid used in resin, coating, and copolyester production. It qualifies for HTS 2917.39.30.00 as specified in additional U.S. note 3 to section VI for import quota management.

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

Confirm importer's quota allocation through U.S

Census Bureau before purchase commitment

Include technical data sheet verifying 99%+ purity and CAS 121-91-5 identification