HFC-134a Pharmaceutical Aerosol Propellant from Canada
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 — Canada → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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