Ultra-Pure Ammonium Heptamolybdate from Mexico
Ultra-pure grade for semiconductor doping precursors. HTS 2841.70.10.00 as pure ammonium molybdate salt.
Duty Rate — Mexico → United States
14.3%
Rate breakdown
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
• High purity requires third-party assay; ITAR check if dual-use
• Common error: confusing with doped elements in 3818