Potassium Cyanide Crystals from Mexico
Potassium cyanide (KCN) in crystalline powder form, applied in organic synthesis and metal hardening. Falls under HTS 2837.19.01 as a cyanide of potassium, an alkali metal base. Excluded from complex cyanides per heading scope.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Comply with TSCA import certification for toxic substances; use DOT hazmat shipping papers; common pitfall is insufficient end-user verification leading to seizures