Isobutanal (2-Methylpropanal) from Mexico

Isobutanal, also known as 2-methylpropanal, is a colorless volatile liquid aldehyde with the formula (CH3)2CHCHO, classified under HTS 2912.19.40.00 as an acyclic aldehyde without other oxygen function. It is a key intermediate in organic synthesis for pharmaceuticals, fragrances, and plasticizers.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Provide detailed chemical analysis certificates confirming purity >99% and absence of other oxygen functions to avoid reclassification

Ensure proper hazardous material labeling (UN 2045, flammable liquid) and compliance with DOT/IATA shipping regulations

Verify supplier COA matches HTS description; impurities >1% may shift to 'other' acyclic aldehydes under 2912.19.50