Tetrahydrofuran (THF) from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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