O-Butyl N-Methyl-N-ethyl Phosphoramidofluoridate Salt from Canada
The protonated salt form of O-butyl N-(methyl ethyl amino) phosphoramidofluoridate, explicitly covered by HTS 2929.90.50.40 including corresponding alkylated/protonated salts. Used in ionic organophosphorus catalysis.
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
• Specify protonated/alkylated salt form in import documentation matching tariff language exactly
• Include counterion identification (e.g
• tetrafluoroborate) in chemical passport
• Monitor for hydrolysis—use inert atmosphere packaging for salt stability