Mecoprop Ammonium Salt from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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