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2915.29.50.00/Undecylenic Acid/China

Undecylenic Acid from China

Undecylenic acid is technically 10-undecenoic acid (unsaturated), but pure saturated undecanoic acid fits here for C11. Used in antimicrobials. Note: primarily unsaturated 2916.14.

Duty Rate — China → United States

40.3%

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
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Import Tips

• Double bond absence confirmation critical (vs 2916)

• Odd-carbon chain rare - synthesis origin docs

• GC purity >99% threshold documentation