Cuprous Oxide Catalyst Precursor from United States
Synthetic cuprous oxide powder used as a precursor in manufacturing copper-based catalysts for organic synthesis reactions. This pure metal oxide is classified under tariff item 2825.50.00, prior to activation or support.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not mixed with alumina, silica, or other support materials
• Keep documentation showing it is a precursor, not an activated catalyst
• Check if the Canadian Environmental Protection Act applies to the substance