New

Ask Wove anything about tariffs.

Try Tariff Assistant

High-Concentration HFC-125 Medical Propellant from Mexico

Pharmaceutical-grade propellant blend containing 65% pentafluoroethane (HFC-125) for metered dose inhalers (MDIs). Replaces CFC propellants in asthma/COPD treatments. Classified 3827.62.00.00 as HFC mixture with dominant HFC-125 content.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

• Include FDA Drug Master File (DMF) reference and pharmaceutical-grade purity certificates

• Submit EPA HFC production/import allocation documentation per 40 CFR Part 84

• Ensure GMP certification and stability testing data for customs validation