Isobutanal (2-Methylpropanal) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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