Calcium Cyanide 70% Technical Solution Precursor from Canada
70% calcium cyanide technical grade is a concentrated form used as a precursor for on-site solution making in remote mining sites. It is squarely under HTS 2837.19.01.15 for calcium cyanide, as a chemically defined compound per subheading note, not a preparation. Purity ensures classification remains in Chapter 28.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Use refrigerated transport if hygroscopic; declare cyanide content precisely for CBP
• Avoid repackaging that creates 'retail' preparations