Tetrahydrofuran (THF) from Germany
Tetrahydrofuran is a five-membered heterocyclic ether with one oxygen atom, classified in HTS 2932.99.61.00 per additional U.S. note 3 to section VI. Widely used as a solvent in Grignard reactions and polymer synthesis.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.628.5%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
• Classify as UN1993 flammable liquid for proper shipping documentation
• Maintain stabilizer certificates as THF forms peroxides upon storage
• Comply with peroxide former handling regulations during import