Tributyl Phosphate (TBP) from China
Tributyl phosphate is a phosphoric acid triester with butanol, employed in nuclear fuel reprocessing, solvent extraction, and as a defoamer. Classified in HTS 2920.90.51.00 for esters of inorganic phosphorus acids excluding halides. Key in hydrometallurgy processes.
Duty Rate — China → United States
11.2%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Nuclear-related imports require NRC or DOE end-user certifications
• Provide NMR or GC-MS spectra confirming ester structure for CBP verification