Analytical Reference Standard Tefluthrin (99.5%) from China
Ultra-high purity (99.5%) Tefluthrin certified as analytical reference standard for pesticide residue analysis and quality control. Classifies under HTS 2916.20.10.00 as the pure chemically defined cyclopropanecarboxylate ester.
Duty Rate — China → United States
37.5%
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
• Include NIST-traceable certificate of analysis confirming ≥99% purity and exact isomer configuration
• Declare as laboratory reference standard to avoid pesticide import restrictions
• Small quantity shipments (<1kg) typically face fewer regulatory hurdles