Industrial Grade Tetrahydrofuran (THF) 99.5% Purity from China

Industrial-grade THF is a high-purity cyclic ether used extensively in the production of polytetramethylene ether glycol (PTMEG) for spandex fibers. It matches HTS 2932.11.00.00 due to its unfused tetrahydrofuran ring structure as a separate chemically defined organic compound. Essential in pharmaceutical extraction and PVC cement formulations.

Duty Rate — China → United States

38.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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

Obtain TSCA pre-manufacture notice if not on inventory; use DOT-compliant drums for bulk shipments

Avoid pitfalls like missing REACH-like equivalency docs for EU-sourced material