Calcium Cyanide Ca(CN)2 Powder from Mexico
Calcium cyanide, chemical formula Ca(CN)2, is a white crystalline powder used primarily in gold mining for extracting gold from ore via the cyanidation process. It falls under HTS 2837.19.01.15 as a chemically defined cyanide of an inorganic base (calcium), specifically classified as calcium cyanide. This subheading covers other cyanides excluding sodium cyanide.
Duty Rate — Mexico → United States
10%
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
• Obtain EPA approvals and TSCA pre-manufacture notices due to toxicity; ensure UN-approved packaging for hazardous materials transport
• Verify purity certificates to avoid misclassification as mixtures