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HFC-227ea Medical Propellant from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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