Decaborane-10 (B10H14) Isotopically Enriched from China
Decaborane enriched with boron-10, a volatile boron hydride used in rocket propellants and boron neutron capture therapy precursors. It qualifies for HTS 2845.20.00.00 as an organic compound of boron-10 enriched isotope, per Chapter 28 definitions. Handled under strict safety protocols due to reactivity.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Requires DOT hazardous material classification (UN2924) and pyrophoric handling certifications
• Check ITAR/EAR for defense applications; end-user statements often mandatory