Sodium Cyanide Flakes from Mexico
Flake-form sodium cyanide, a white crystalline solid used primarily in hydrometallurgical extraction of gold and silver. Falls under HTS 2837.11.00.00 as the sodium salt of hydrogen cyanide, meeting Chapter 28 Note 1 criteria for chemically defined compounds. Supplied in moisture-resistant packaging to prevent decomposition.
Duty Rate — Mexico → 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
• Declare exact purity percentage (typically 98% min) to avoid undervaluation penalties
• Use licensed hazardous waste transporters; comply with DOT 49 CFR for transport