Industrial Potassium Cyanide Briquettes from Mexico
Compressed potassium cyanide briquettes for safe handling in mining operations, a chemically defined inorganic cyanide salt. Directly specified in HTS 2837.19.0110 as potassium cyanide regardless of form. Facilitates controlled dosing in hydrometallurgy.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• File EPA Form R for TRI reporting if threshold exceeded; common issue is missing facility contingency plans
• IMDG Code requires 'CYANIDE' emergency label; verify vessel compatibility
• Customs may require cyanide-specific bond; audit supplier purity certificates