8-Hydroxyquinoline from Mexico
8-Hydroxyquinoline is a bidentate chelating agent and antiseptic containing unfused quinoline ring with phenolic hydroxy group. HTS 2933.49.70.00 applies as nitrogen hetero-atom heterocyclic compound meeting chapter purity requirements. Used in metal complex formation and pharmaceutical intermediates.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Heavy metal chelation properties - provide complex formation data if stabilized
• Technical grade vs pharma grade affects documentation; specify CAS 148-24-3
• Avoid anti-dusting agent additions that imply specific use per Chapter 29 note (g)