</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Medical Grade HCFC-124 Aerosol Propellant from Japan

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 — Japan → United States

15%

Rate breakdown

9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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

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

Medical Grade HCFC-124 Aerosol Propellant from Japan — Import Duty Rate | HTS 2903.79.90.30