Isobutyraldehyde from Mexico
Isobutyraldehyde ((CH3)2CHCHO) is a branched acyclic aldehyde critical for producing isobutanol, methionine, and fragrances. Classified HTS 2912.19.5000 as acyclic aldehyde without other oxygen functions, in 'other' subcategory. Pure organic compound per Chapter 29 standards.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• CAS 78-84-2 documentation required; include distillation range specs
• Flammable liquid UN 2045; inhibit polymerization during storage
• Confirm <0.1% methanol content to avoid alcohol heading misclassification