Pyrimidine Herbicide from Canada
Pyrimidine-based herbicides contain six-membered nitrogen heterocyclic rings and target broadleaf weeds in cereals. Classified as HTS 2933.99.22.00 other pesticides due to aromatic nitrogen-only heteroatoms. Used in pre- and post-emergence applications.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide selective toxicity profiles for endangered species compliance
• Declare CAS number and IUPAC name on commercial invoice for verification
• Monitor temperature during shipping (<40°C) to maintain chemical stability