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

Isosafrole from Japan

Isosafrole is a heterocyclic compound with an oxygen hetero-atom in its methylenedioxy ring structure, chemically defined as 1,3-benzodioxole-5-propene. It falls under HTS 2932.91.00.00 as a specific compound within the category of other heterocyclic compounds with oxygen hetero-atoms only. Primarily used as a chemical intermediate in fragrance and pharmaceutical synthesis.

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

Provide Safety Data Sheets (SDS) and chemical purity certificates to verify it meets Chapter 29's chemically defined organic compound requirements

Confirm no added solvents or stabilizers that would shift classification under Chapter Note (e) or (f)

Check DEA precursor chemical regulations as isosafrole is watched for MDMA synthesis potential

Isosafrole from Japan — Import Duty Rate | HTS 2932.91.00.00