Tebuthiuron Technical from Mexico
Tebuthiuron is a persistent aromatic ureine herbicide for brush and weed control in rangelands and non-cropland areas. It qualifies under HTS 2924.21.1600 as an 'other' pesticide in the cyclic amides category, being a separate chemically defined compound. Imported as 98%+ purity granules or powder for industrial herbicide production.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% 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
• Declare exact isomer purity to avoid mixture reclassification; include stability data for customs
• Common issue: improper storage during transit causes degradation, requiring re-testing