Isovaleric Acid from China
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 — China → United States
39.6%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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)