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Isovaleric Acid from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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

Isovaleric Acid from Japan — Import Duty Rate | HTS 2915.90.18