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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

20%

Rate breakdown

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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