Thiamethoxam Active Ingredient from China
Thiamethoxam, a second-generation neonicotinoid, contains a thiazole ring system making it a nitrogen-heterocyclic insecticide under HTS 2933.99.17.01. Used primarily for seed treatments against aphids and whiteflies. Its aromatic heterocyclic structure qualifies it for this specific tariff classification in Chapter 29.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Submit detailed chemical structure and CAS number (210880-92-5) for verification
• Declare as 'technical material' not formulation to maintain Chapter 29 classification
• Comply with TSCA import requirements with positive certification