Dipropylamino-butylidene phosphonamidic fluoride methyl salt from Canada
Alkylated salt of N-(dipropylamino)C4-alkylidene phosphonamidic fluoride, with all groups ≤C10, matching HTS 2929.90.50.30 including salts. Used in fine chemical production for herbicides. Chapter notes prioritize nitrogen function classification.
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
• Document alkylation specifics to distinguish from protonated salts; comply with EPA FIFRA if agrochemical intermediate; test for impurities that could shift classification