Methyl Isobutyl Ketone (MIBK) from Mexico
Methyl isobutyl ketone (CH3COCH2CH(CH3)2) is a branched acyclic ketone widely used as a solvent in paints, inks, and extraction processes. HTS 2914.19.00.00 covers this as an 'other' acyclic ketone lacking additional oxygen functions, aligning with Chapter 29 for pure organic compounds. Its volatility suits industrial applications without formulation exclusions.
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
• Certify TSCA registration for US entry; provide flash point data for DOT shipping
• Pitfall: paint formulations containing MIBK classify under Chapter 32, not pure chemical