2914.40.90.00/4-Hydroxy-4-methyl-2-pentanone/Mexico

4-Hydroxy-4-methyl-2-pentanone from Mexico

4-Hydroxy-4-methyl-2-pentanone is a ketone-alcohol featuring both a ketone functional group and a hydroxyl group on adjacent carbons. It falls under HTS 2914.40.90.00 as a ketone-alcohol not specifically enumerated elsewhere in the heading. This compound is used as a chemical intermediate in organic synthesis.

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

• Provide Certificate of Analysis confirming chemical identity and purity >98% to avoid reclassification

• Include Material Safety Data Sheet (MSDS) detailing flash point and handling precautions for ketone-alcohols

• Ship with stabilizers if required; declare as pure compound vs solution to prevent duty reassessment