</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Monolinuron Pure from Mexico

Monolinuron is an aromatic phenylurea herbicide (ureine derivative) used for weed control in potatoes and cereals. It is classified in HTS 2924.21.1600 as an 'other' aromatic pesticide ureine, adhering to Chapter 29's scope for pure amide-function compounds. Technical grade imports support agrochemical manufacturing.

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

Provide GC-MS certificates confirming no prohibited impurities

Use Chapter 29-allowed anti-dusting agents only for safety

Pitfall: exceeding solvent limits reclassifies as preparation