Ultra-Pure Ammonium Heptamolybdate from United States
Ultra-pure ammonium heptamolybdate is used as a precursor in semiconductor doping. It is a highly pure ammonium molybdate salt, classifiable under the molybdates tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Provide the purity level (e.g
• 99.999%) on the certificate of analysis
• Ensure the product is packaged in clean-room compatible containers
• Be prepared to demonstrate the semiconductor-grade quality if requested