High-Purity HCN for Adiponitrile Production from Mexico
Ultra-pure hydrogen cyanide (99.9% purity) distilled for electrohydrodimerization to adiponitrile in nylon-6,6 manufacturing. It is a separate chemically defined compound of hydrogen cyanide, classified under this tariff item as a simple cyanogen acid.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the purity level and absence of impurities that could affect classification
• Provide documentation of the manufacturing process and end-use to support the tariff classification
• Coordinate with CBSA for any special handling requirements due to toxicity