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

Industrial Ammonium Carbonate Flakes from Mexico

Flake-form commercial ammonium carbonate employed in textiles for scouring and dyeing processes. Classified in HTS 2836.99.30.00 as it contains ammonium carbamate per legal definitions, excluding organo-inorganic compounds. Helps remove impurities without damaging fibers.

Duty Rate — Mexico → United States

11.7%

Rate breakdown

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

Import Tips

Include TSCA certification for chemical import notification if volume exceeds thresholds

Document non-hazardous status per DOT to avoid hazmat surcharges