Medical Grade HCFC-124 Aerosol Propellant from Mexico
Pharmaceutical-grade monochlorotetrafluoroethane (HCFC-124) serving as a propellant in metered-dose inhalers and medical aerosols. Classified under HTS 2903.79.90.30 as a pure halogenated acyclic hydrocarbon derivative, meeting USP/NF purity standards for healthcare applications.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include FDA Drug Master File and Certificate of Analysis; validate USP/NF compliance via third-party testing; segregate from non-pharma grades during customs clearance