Tributyl Phosphate (TBP) from China
Tributyl phosphate is a trialkyl phosphate ester used in nuclear fuel processing, solvent extraction, and defoamers. It is classified under HTS 2919.90.50.50 as an 'other' phosphoric ester, fitting Chapter 29's definition of chemically defined organic compounds without impurities affecting classification. Common in industrial extraction processes.
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
• ,99% minimum purity required; lower grades may classify as mixtures in 3824
• Hazardous material declaration mandatory due to flash point