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Thiamethoxam Active Ingredient from Japan

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 — Japan → United States

15%

Rate breakdown

9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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

Thiamethoxam Active Ingredient from Japan — Import Duty Rate | HTS 2933.99.17.01