N-(Dibutylamino)propylidene phosphonamidic fluoride from China
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 — China → United States
44%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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