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Stabilized Propylene Gas from Japan

Propene with added polymerization inhibitor (per chapter note f) for safe transport and storage in petrochemical supply chains. Remains classified as HTS 2901.22.00.00 since stabilizer is solely for preservation. Used in downstream alkylation and metathesis.

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

• Document stabilizer type and concentration (<0.1% typical); label as UN 1077 Propylene, inhibited; inspect for solvent dissolution per note (e)