Ultra-Pure Ammonium Heptamolybdate from China
Ultra-pure grade for semiconductor doping precursors. HTS 2841.70.10.00 as pure ammonium molybdate salt.
Duty Rate — China → United States
16.8%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• High purity requires third-party assay; ITAR check if dual-use
• Common error: confusing with doped elements in 3818