2929.90.50.18/N,N-Dimethylphosphoramidic dichloride/Canada

N,N-Dimethylphosphoramidic dichloride from Canada

This is a chemically defined organic compound featuring a nitrogen function through the phosphoramidic group with N,N-dimethyl substitution and two chloride atoms, precisely matching the HTS 2929.90.50.18 classification for N,N-dialkyl phosphoramidic dihalides. It serves as a key intermediate in organophosphorus synthesis for pesticides and pharmaceuticals. The dihalide structure distinguishes it from other nitrogen-function compounds in Chapter 29.

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

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Import Tips

• Classify strictly under Chapter 29 note (a) as a separate chemically defined compound; provide detailed chemical analysis certificates to avoid misclassification as mixtures

• Comply with TSCA pre-manufacture notification and EPA hazard communication standards; include Safety Data Sheets (SDS) in import documentation

• Avoid common pitfalls like insufficient stabilization declarations—ensure any added stabilizers are noted per Chapter 29 note (f) for transport safety