Calcium Cyanide Ca(CN)2 Powder from China
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 — China → United States
17.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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