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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

12.5%

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

• 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