Mecoprop Free Acid 98% Technical from Mexico
High-purity 98% mecoprop free acid serves as the reference standard for analytical chemistry and formulation quality control. HTS 2918.99.1400 covers this specific aromatic phenoxypropionic acid as a separate chemically defined organic compound. Minor impurities do not affect classification per chapter notes.
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
• Include HPLC chromatogram showing 4-chloro-2-methylphenoxypropionic acid peak purity
• Declare exact impurity profile for REACH registration in EU markets
• Store and ship under nitrogen blanket to prevent oxidative degradation