HFC-134a Pharmaceutical Aerosol Propellant from Mexico
USP-grade HFC-134a used as propellant in metered dose inhalers and nasal sprays. Meets Chapter 29 requirements for chemically defined organic compounds under HTS 2903.45.10.00.
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
• Provide FDA Drug Master File (DMF) references and USP <621> impurity profiles
• Include Certificates of Analysis showing water content <10 ppm and particle matter compliance
• Use temperature-controlled shipping to maintain <50°C storage conditions during transit