High Purity Trimethylolpropane (TMP) 99.5% from China
High purity TMP (2-Ethyl-2-(hydroxymethyl)propane-1,3-diol) at 99.5% is used in radiation-curable coatings and adhesives. Classified under HTS 2905.41.00.00 as a pure acyclic polyhydric alcohol per chapter notes. Supplied as white crystalline flakes or molten.
Duty Rate — China → United States
41.2%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide HPLC or GC assay reports proving >99% purity to avoid reclassification as impure compound
• Label drums with full IUPAC name and CAS 77-99-6
• Check flash point documentation for hazmat declarations