Isobutyric Acid from Japan

Isobutyric acid (2-methylpropanoic acid) is a saturated acyclic monocarboxylic acid used in organic synthesis, flavor production, and as an intermediate for pharmaceuticals. It falls under HTS 2915.29.50.00 as it is neither acetic acid nor its derivatives, fitting the 'other' category for saturated acyclic monocarboxylic acids.

Duty Rate — Japan → United States

12.8%

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 purity certificates and CAS number (79-31-2) documentation to verify classification

Ensure proper hazardous material labeling (corrosive) and comply with DOT/UN shipping regulations

Avoid misclassification as acetic acid derivatives; confirm branched chain structure via SDS