5-Methyl-2-Hexanone (Isohexyl Methyl Ketone) from Mexico
5-Methyl-2-hexanone is a branched acyclic ketone (CH3COCH2CH2CH(CH3)2) utilized in solvent applications and organic synthesis. HTS 2914.19.00.00 applies as it is an 'other' acyclic ketone lacking other oxygen functions, compliant with Chapter 29 notes for pure 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
• Confirm boiling point (151°C) matches import specs; EU CLP labeling required
• Pitfall: bulk isoamyl blends may go to 3824