O-Butyl N-Methyl-N-ethyl Phosphoramidofluoridate Salt from Germany
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 — Germany → United States
18.5%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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