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Isovaleric Acid from Mexico

Isovaleric acid (3-methylbutanoic acid) is a branched saturated acyclic monocarboxylic acid with a pungent odor, used in food flavoring, perfumes, and pharmaceuticals. It qualifies for HTS 2915.90.18 as an 'other' acid in this saturated acyclic category, distinct from straight-chain C1-C8 acids listed separately.

Duty Rate — Mexico → United States

14.2%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

For food-grade imports, provide FDA prior notice and GRAS affirmation letters; use UN 1760 packaging for corrosive liquids; test for chiral purity if specified for pharma intermediates