2,5-Dimethoxysulfanilanilide from Canada
Methoxylated sulfonanilide derivative specifically listed under HTS 2935.90.10.00 as a sulfonamide. Chemically defined organic compound with dimethoxy substitutions on sulfanilanilide structure. Used in dye chemistry and polymer additives.
Duty Rate — Canada → 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
• Methoxyl content analysis confirms structural classification under sulfonamides
• Light-protected packaging required for methoxy-substituted aromatics
• Dye intermediate end-use statements distinguish from general organics