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2914.40.90.00/3-Hydroxy-3-methyl-2-butanone/Mexico

3-Hydroxy-3-methyl-2-butanone from Mexico

3-Hydroxy-3-methyl-2-butanone is a branched ketone-alcohol with geminal substitution at the hydroxy-bearing carbon. Classified in HTS 2914.40.90.00 as an 'other' ketone-alcohol. Serves as intermediate in terpene synthesis and fragrance chemistry.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.6095.2%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)
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Import Tips

• GC-MS purity certificate essential; diastereomer impurities affect classification

• Low boiling point requires UN-approved packaging for air shipment

• Declare intended synthetic pathway to prevent flavor/fragrance duty adjustment

3-Hydroxy-3-methyl-2-butanone from Mexico — Import Duty Rate | HTS 2914.40.90.00