Tecnazene (2,3,4,5-Tetrachloronitrobenzene) from China
Tecnazene is a potato sprout suppressant and fungicide, benzene-derived with four chlorine atoms and nitro group. Falls under HTS 2903.89.11.00 as pesticide-grade halogenated cyclanic derivative from aromatics. Used in post-harvest crop storage.
Duty Rate — China → United States
18%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide residue tolerance data for potato import pathways
• Include NMR spectra confirming tetrachloro substitution pattern
• Distinguish from explosive intermediates by pesticide end-use documentation