2926.90.25.00/Topramezone (2-(2-chloro-4-(methylsulfonyl)benzoyl)-5-(cyclopropylcarbamoyl)cyclohexane-1,3-dione)/Canada
Topramezone (2-(2-chloro-4-(methylsulfonyl)benzoyl)-5-(cyclopropylcarbamoyl)cyclohexane-1,3-dione) from Canada
Topramezone, a pyrazolone-derived HPPD herbicide, features aromatic benzoyl with nitrile-function amide, controlling broadleaf and grass weeds in corn. HTS 2926.90.25.00 as other aromatic pesticide herbicide per Chapter 29 numerical classification rule. Rapid foliar and soil activity.
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
• Declare carbamoyl function clearly; soil persistence data required
• Avoid metal contamination affecting stability