Mecoprop-p (4-(4-Chloro-2-methylphenoxy)butyric acid enantiomer) from Germany
The herbicidally active enantiomer of 4-(4-chloro-2-methylphenoxy)butyric acid, used in selective weed control formulations. Classifies under HTS 2918.99.1800 as the specifically named pesticide compound despite stereospecificity. Meets chapter 29 requirements for chemically defined aromatic oxygen-function acids.
Duty Rate — Germany → United States
16.5%
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
• Provide chiral purity documentation (e.g
• HPLC analysis) to confirm identity with named compound
• Register with EPA as technical grade active ingredient; retail formulations require separate approval
• Monitor for racemization during storage/transport which could trigger reclassification as mixture