(R)-Haloxyfop-P-butyl Herbicidal Intermediate from Canada
This pure (R)-enantiomer of the named propanoate compound is imported as a key synthetic intermediate for enantiopure graminicide herbicides targeting ACCase inhibition in grasses. HTS 2933.99.0100 applies precisely to this chemically defined aromatic nitrogen-heterocyclic compound. Typically packaged in 200kg drums for industrial formulation.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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 MSDS and stability data for long-sea voyages; ensure child-resistant packaging if stabilizers added
• Common pitfall: misdeclaration as racemate leading to wrong HTS