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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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