</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Thorium Nitrate Crystals from China

High-purity thorium nitrate (Th(NO3)4) crystals certified as source material for thorium-based nuclear fuel cycle development. NRC/DOE certified for advanced reactor research supporting energy security. Falls under 9808.00.5000 special provisions.

Duty Rate — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

NRC Form 741 required for thorium compound import authorization

Provide chemical purity analysis and radioactivity content documentation

Secure end-user statement from licensed nuclear facility