High-Purity Dicyandiamide 99.9% from Canada
High-purity 99.9% dicyandiamide is a specialty chemical for flame-retardant formulations, under HTS 2926.20.00.00 as a nitrile-function organic compound. Its classification follows chapter note (a) without impurities affecting heading.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide lot-specific HPLC analysis for purity claims; ensure nitrogen content 66-68% per spec; avoid wooden packaging to prevent contamination