Umbelliferone (7-Hydroxycoumarin, CAS 93-35-6) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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