Phosphonamidofluoridic Acid, Methyl-, Bis(diethylamino)methylene Ester

CAS-listed pure compound [exact nomenclature variant] used as reagent in organophosphorus chemistry research. Classified precisely under HTS 2931.59.00.35 as the designated halogenated organo-phosphorous derivative. Excluded from mixtures or preparations per Chapter 29 notes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+10.0%13.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

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

2930.90Same rate: 13.7%

If sulfur content present from synthesis impurities

Organo-sulfur compounds take precedence if S directly linked to carbon per Chapter Note.

2909Same rate: 13.7%

If for diethylamine-derived fragments if hydrolyzed

Amines/derivatives; decomposition products classified separately from parent compound.

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Import Tips & Compliance

Lab quantities (<100g) still require CWC declaration; bulk imports need additional ATF oversight

Validate NMR spectrum matches reference to prevent customs laboratory challenge

Avoid glass ampoules; use fluoropolymer-lined containers to prevent HF generation