Tetrahydrofuran Solvent for HPLC Grade Analysis from China
HPLC-grade THF is ultra-high purity (99.9%+) with low water and residue content for chromatography applications. It falls under HTS 2932.11.00.00 as a pure chemically defined heterocyclic compound with hydrogenated furan ring. Ideal for mobile phase in reverse-phase HPLC separations.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Supply chromatograms proving HPLC suitability; use glass bottles for moisture-sensitive imports
• Common issue: Contamination from plastic packaging affects purity claims