Difenzoquat Methyl Sulfate 80% WDG from Canada
Water dispersible granule formulation containing 80% difenzoquat methyl sulfate as active pyrazolium compound for grass weed control. While primarily a pesticide, the high concentration of named chemical classifies under HTS 2933.19.15.00 when imported as technical concentrate. Used in post-emergence herbicide applications for barley and wheat.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide formulation analysis showing difenzoquat content dominates to justify Chapter 29 classification over Chapter 38
• Include stability data for granules to demonstrate compliance with Chapter 29 note (f) stabilizer provisions