N-(Dibutylamino)propylidene phosphonamidic fluoride from Mexico
This compound has N-(dibutylamino ≤C8) propylidene (C3) phosphonamidic fluoride structure, fitting HTS 2929.90.50.30's criteria for dialkyl (≤C10) amino alkylidene phosphonamidic fluorides. Used in agrochemical manufacturing as a phosphorylation agent. Excluded from other chapters per notes on chemically defined organic nitrogen compounds.
Duty Rate — Mexico → 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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm all alkyl chains ≤C10 via NMR/GC-MS data; label with GHS pictograms for acute toxicity (fluorides); watch for anti-dumping if from specific origins