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

Potassium Iodide Flakes for Water Purification from Mexico

Flaked potassium iodide used in emergency water purification tablets and solutions as a disinfectant agent. Classified in HTS 2827.60.20.00 as the pure chemical compound before tableting. Imported for survival kit manufacturing.

Duty Rate — Mexico → United States

12.8%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Provide EPA registration if claiming disinfectant use; maintain chemical purity docs to avoid 3808 reclass

Pitfall: Finished purification tablets classified as 3808.94, higher duty