Benzenesulfonyl Chloride for Agrochemical Synthesis from Canada
Special purity grade for synthesis of sulfonylurea herbicides like metsulfuron-methyl. Classified HTS 2904.10.08.00 as pure sulfonated derivative used as pesticide intermediate.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• EPA pesticide chemical code required if destined for registered pesticide production
• Trace metal analysis certificate needed for catalyst-sensitive reactions
• Declare downstream pesticide use to facilitate regulatory clearance