2929.90.50.20/Dimethyl-N,N-dimethyl phosphoramidate/Japan

Dimethyl-N,N-dimethyl phosphoramidate from Japan

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 — Japan → United States

21%

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

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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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