Reagent-Grade N,N-Dimethylphosphoramidic Dichloride from Canada
Reagent-grade N,N-Dimethylphosphoramidic dichloride, suitable for laboratory synthesis, falls under HTS 2929.90.50.15 as a chemically defined nitrogen-function compound without excluded additives. It is employed in research for phosphorus-nitrogen chemistry and pharmaceutical intermediate production.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label as 'for research use only' to avoid pesticide registration requirements; mislabeling causes CBP holds
• Verify no solvents present per chapter note (e); solvated forms may classify under 2942 for organic compounds in solution
• Maintain chain-of-custody documentation to prevent dual-use concerns under Chemical Weapons Convention