Difenzoquat Methyl Sulfate Stabilized Powder from Mexico
Stabilized technical powder of 1,2-dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate with anticaking agent per Chapter 29 note (f) for safe transport and storage. This aromatic pyrazolium herbicide intermediate classifies under HTS 2933.19.15.00. Used by formulators to produce Avenge®-type grass herbicides.
Duty Rate — Mexico → United States
10%
Rate breakdown
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
• List stabilizer composition and percentage (<5%) to confirm compliance with preservation-only addition rules
• Provide batch stability data showing anticaking agent doesn't alter chemical identity or create new use