</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Coumarin (CAS 91-64-5) from China

Coumarin is a fragrant organic chemical compound classified under HTS 2932.20.0500 as a lactone with a heterocyclic oxygen hetero-atom structure, specifically the parent compound of the coumarin family. It is primarily used as a fixative and fragrance ingredient in perfumes, cosmetics, and soaps due to its sweet, hay-like odor.

Duty Rate — China → United States

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide chemical purity certificates (typically 98%+ purity) and CAS number documentation to verify classification under 2932.20.0500

Ensure proper Hazard Communication labeling as it may be regulated under TSCA; include Safety Data Sheets (SDS)

Avoid misclassification as a finished fragrance mixture, which would fall under Chapter 33