Phenomaphos Fonofos Pesticide Standard from China
Certified reference standard of fonofos (O-Ethyl-S-phenylethylphosphono-thiolothionate) at 99% purity for analytical and quality control in pesticide manufacturing. As a separate chemically defined organo-sulfur compound specifically listed as a pesticide, it matches HTS 2930.90.4310 exactly.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide certificate of analysis with impurity levels <1%; declare as reference standard to avoid retail packing issues
• Pitfall: incorrect declaration as formulation leads to higher duties under 3808