Simazine Weed Killer from Mexico
Simazine is a selective triazine herbicide with a s-triazine (pyrimidine) ring used for controlling annual grasses and broadleaf weeds in crops like citrus and ornamentals. Classified under HTS 2933.59.1000 due to its aromatic heterocyclic structure and primary herbicide function. Commonly imported as 90% wettable powder or 4L flowable concentrate.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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 experimental use permit if product not fully EPA-registered for US distribution
• Declare exact active ingredient concentration to avoid duty reassessment
• Ensure packaging prevents leakage per DOT hazardous material regulations