Umbelliferone (7-Hydroxycoumarin, CAS 93-35-6) from China
Umbelliferone is a naturally-derived but synthetically produced coumarin derivative under HTS 2932.20.0500, featuring the required lactone ring with oxygen hetero-atom. It serves as a UV filter in sunscreens and a precursor for coumarin dyes.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish synthetic umbelliferone from natural coumarin extracts (Chapter 32) with synthesis pathway documentation
• Include batch purity certificates (min 99%) and ensure proper crystallization solvent removal
• Comply with cosmetic ingredient safety assessments for sunscreen applications