Tetrahydrofuran (THF) from Japan
Tetrahydrofuran is a five-membered heterocyclic ether with one oxygen hetero-atom, classified as aromatic heterocyclic under HTS 2932.99.70.00. Essential solvent in pharmaceutical and polymer manufacturing.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• Declare BHT (butylated hydroxytoluene) stabilizer content as permitted under chapter note (f)
• Provide end-use statement to avoid misclassification as industrial chemical preparation
• Comply with polymerization inhibitor requirements for transport stability