O-Isopropyl N-(Dimethylamino)ethylidene Phosphoramidofluoridate

This cyclohexyl-equivalent isopropyl derivative features the exact O-alkyl (≤C10), N-dialkylamino alkylidene phosphoramidofluoridate structure defined in HTS 2929.90.50.40. It serves as a synthetic intermediate in pharmaceutical chemistry.

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.

2919.90Lower: 13.7% vs 31.5%

If classified by phosphoric acid function

Phosphoric esters without nitrogen-dominant function may fall under heading 2919.

2921.19.11Lower: 28.7% vs 31.5%

If amine function predominates over P-F

Amine salts or derivatives without phosphorus classification shift to heading 2921.

3808.93.50Higher: 40% vs 31.5%

If formulated as pesticide intermediate

If put up for pesticidal use rather than pure chemical, moves to Chapter 38.

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Import Tips & Compliance

Include NMR and mass spectrometry data to confirm structure matches tariff description precisely

Register with Chemical Weapons Convention authorities for quantities exceeding 100g

Package in UN-approved fluoropolymer containers to prevent hydrolysis during transport