Tetrahydrofuran (THF) 99.9% Pure ACS Reagent Grade from Canada
Tetrahydrofuran is a colorless, volatile liquid heterocyclic compound containing a saturated five-membered furan ring with one oxygen hetero-atom. It is classified under HTS 2932.11.00.00 as a chemically defined compound with an unfused hydrogenated furan ring structure. Primarily used as a versatile aprotic solvent in chemical reactions and polymer processing.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify purity certificates and SDS documentation to meet EPA and TSCA requirements; ensure proper UN-approved packaging for flammable liquids (UN2056)
• Common pitfall: inadequate labeling of flash point and vapor pressure