Tributyl Phosphate (TBP) from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• ,99% minimum purity required; lower grades may classify as mixtures in 3824
• Hazardous material declaration mandatory due to flash point