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

Technical Grade p-Toluidine-m-sulfonic Acid (98% Pure) from Japan

Technical grade p-Toluidine-m-sulfonic acid with 98% purity, containing minor impurities but meeting Chapter 29(a) definition for chemically defined organic compounds. Classified specifically under HTS 2921.43.9040 for industrial dye synthesis.

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

Include COA showing impurity levels <2% to qualify as 'chemically defined' per Chapter 29 note (a)

Label with GHS corrosive pictogram and specific CAS for customs verification

Segregate from Chapter 32 dyes during import to prevent misclassification