4'-Hydroxyacetophenone Crystals from Mexico
Crystalline form of 4'-hydroxyacetophenone, a ketone-phenol used in organic synthesis for pharmaceuticals and agrochemicals. Classified under HTS 2914.50.50.00 as 'other' ketone-phenols and ketones with other oxygen function. Meets Chapter 29 requirements for separate chemically defined organic compounds.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096%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
• Include Certificate of Analysis showing >98% purity to maintain Chapter 29 classification; Declare crystal form in entry documentation; Watch for anti-dumping duties on Chinese-origin phenolic ketones