Pesticide-Grade Pyridazinone API Precursor from China
High-assay 5-amino-4-chloro-α-phenyl-3-pyridazinone imported as pesticide active ingredient precursor under HTS 2933.99.14.00. Meets chapter note requirements for separate chemically defined aromatic heterocycles used in pesticide manufacture.
Duty Rate — China → United States
19%
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
• Ensure batch certificates specify agricultural end-use to distinguish from pharmaceutical intermediates
• Comply with USDA APHIS requirements for pesticide active ingredient imports
• Use temperature-controlled shipping if stability data indicates degradation risk above 40°C