HFC-227ea Medical Propellant from Canada
Pharmaceutical grade HFC-227ea (1,1,1,2,3,3,3-Heptafluoropropane) used as a non-flammable propellant in metered dose inhalers for asthma medications. This pure chemical compound is specifically listed under HTS 2903.46.10.00. Meets USP/NF standards for inhalation drug delivery.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include FDA Drug Master File (DMF) references and USP <621> chromatography certificates
• Water content must be documented (<10 ppm) for pharmaceutical applications
• Particle count testing required for inhaler propellant grade specifications