N,N-Dimethylphosphoramidic dichloride

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+25.0%31.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2931Lower: 13.7% vs 31.5%

If containing directly linked metal atoms to carbon

Organo-inorganic compounds with metal-carbon bonds shift to heading 2931 per Chapter 29 notes, excluding pure phosphoramidic dihalides.

2930.90.30.00Higher: 38.7% vs 31.5%

If classified as organo-sulfur compounds

Presence of sulfur directly linked to carbon would place it under heading 2930, but this product lacks such features per chapter exclusions.

2909Lower: 13.7% vs 31.5%

If for simpler amine derivatives without phosphoramidic structure

If lacking the specific P-N dihalide function, it may fall under other nitrogen compounds earlier in numerical order per classification rule.

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Import Tips & Compliance

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