2931.59.00.35/Methyl-bis(diethylamino)methylene)phosphonamidofluoridate/Mexico

Methyl-bis(diethylamino)methylene)phosphonamidofluoridate from Mexico

A highly specific halogenated organo-phosphorus compound containing fluorine directly linked to phosphorus via the phosphonamidofluoridate structure. Classified under HTS 2931.59.00.35 as it fits the definition of other halogenated organo-inorganic compounds with nonmetal atoms (P,F,N) directly bonded to carbon or phosphorus. Used primarily as a chemical intermediate in pharmaceutical or agrochemical synthesis.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

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Import Tips

• Verify Chemical Weapons Convention (CWC) Schedule 2 status requiring End-Use Certificate and declaration to U.S

• Customs

• Ship as Dangerous Goods (UN2810 Toxic liquids, Class 6.1) with proper MSDS, labeling, and UN-approved packaging

• Confirm purity >98% via HPLC to avoid reclassification as mixture under Chapter 38