p-Nitrobenzoyl Chloride from Mexico
Although technically an acid chloride, chapter note (E) requires classification with corresponding nitrated aromatic ketone precursors where applicable, but primarily falls here as derivative. Used in esterification reactions.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6094.5%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
• Highly reactive; ship with stabilizer per chapter note (f) and declare in invoice
• Hydrolyzes readily - specify dry ice shipping if >30 days transit
• TSCA declaration mandatory for US manufacture notification