</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2903.43.10.00/HFC-152a Medical Aerosol Propellant/Canada

HFC-152a Medical Aerosol Propellant from Canada

Pharmaceutical-grade HFC-152a is employed as a propellant in metered-dose inhalers for asthma medications. Under HTS 2903.43.10.00, it is classified as the pure 1,1-difluoroethane compound, meeting chapter requirements for chemically defined organic substances. Its GMP production ensures safety for respiratory delivery.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Calculate with your customs valueVerify classification with AI

Import Tips

• FDA Drug Master File and USP compliance mandatory; use pharma-specific packaging

• Pitfall: Non-GMP grade can trigger FDA import alerts

HFC-152a Medical Aerosol Propellant from Canada — Import Duty Rate | HTS 2903.43.10.00