Dimethyl-N,N-dimethyl phosphoramidate from Canada
Dimethyl-N,N-dimethyl phosphoramidate is a phosphoramidate ester with all methyl substituents on both phosphorus and nitrogen atoms. Classified under HTS 2929.90.50.20 due to its precise match to dialkyl (methyl)-N,N-dialkyl (methyl) phosphoramidate structure. Used primarily as a reagent in nucleotide synthesis and pesticide chemistry.
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 containers with exact chemical name and CAS number; customs requires verification against HTS structural description
• Obtain prior EPA notification if used in pesticide applications to avoid import delays
• Ship under proper UN number for organophosphorus compounds to comply with hazmat regulations