Isovaleric Acid from Japan

Isovaleric acid (3-methylbutanoic acid) is a saturated acyclic monocarboxylic acid with five carbon atoms, classified under HTS 2915.60.50.00 as 'other' butanoic/pentanoic acids. It is commonly used in flavorings, perfumes, and pharmaceuticals due to its fruity odor.

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%

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Import Tips

• Verify purity certificate to confirm it meets Chapter 29 definition of chemically defined organic compound without impurities affecting classification

• Include safety data sheets (SDS) as it has strong odor; ensure proper Hazard Class 8 labeling for corrosive liquids

• Avoid misclassification as mixtures if blended with solvents beyond transport allowances per Chapter Note (e)