Sodium Cyanide Crystals from Mexico
Sodium cyanide (NaCN) in crystalline form is a highly toxic inorganic salt used primarily in gold mining for extracting gold from ore via cyanidation process. It falls under HTS 2837.19.01.25 as a simple cyanide of an inorganic base (sodium), classified as 'other' cyanides excluding specific types like those of potassium or calcium. This chemically defined compound meets Chapter 28 note requirements for inorganic classification.
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
• Obtain EPA approvals and TSCA registration due to toxicity; ensure UN-approved packaging with hazard labels; verify buyer has cyanide handling permits to prevent customs holds