Mecoprop Ammonium Salt from China
Ammonium mecoprop [ammonium 2-(4-chloro-2-methylphenoxy)propionate] provides volatility control in herbicide formulations for turf applications. Classified under HTS 2918.99.1400 per Chapter 29 note on organic salts of acid-function compounds. The ammonium counterion maintains classification with the parent carboxylic acid.
Duty Rate — China → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Calculate import value based on free acid equivalent weight, not salt molecular weight
• Provide ammonia emission data if required for environmental impact assessments
• Ensure drum linings compatible with ammonium salt to prevent corrosion