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

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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