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