N-Acetyl-4-(2-Hydroxyethylamino)-3-Nitrophenol from Canada
Acetylated derivative of the listed 4-[(2-Hydroxyethyl)amino]-3-nitrophenol, maintaining oxygen-function amino character for HTS 2922.50.0700 classification. Intermediate for modified hair dye couplers with improved stability.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%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
• Acetyl group doesn't change principal function; FTIR confirmation recommended
• Higher melting point than parent; validate batch identity
• Protected amino group for sequential synthesis; declare synthetic pathway