Pharmaceutical Potassium Cyanide Crystals from Mexico
High-purity potassium cyanide crystals USP grade for specialized chemical synthesis, classified as a chemically defined cyanide of potassium. HTS 2837.19.0110 applies to all forms of potassium cyanide per subheading. Used in organic synthesis and analytical chemistry.
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
• Secure DEA import permit if Schedule I controlled precursor; declare via ACE with chemical abstract number 151-50-8
• Comply with OSHA 1910.1000 cyanide exposure limits; pitfall is ignoring state-level toxics use reduction laws
• Bonded warehouse storage recommended for hazmat; ensure spill containment exceeds 110% container capacity