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Dibenzothiophene from Japan

Dibenzothiophene is a tricyclic aromatic compound with sulfur heterocycle fused between two benzene rings. Classified HTS 2930.90.2900 as aromatic organo-sulfur with S directly linked to aromatic carbons. Common pollutant in petroleum; used in OLED materials research.

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

GC-MS analysis confirming >99% purity for chemically defined status

Reference fuel standard applications require NIST traceability certification

Not classifiable as Chapter 27 hydrocarbon per chapter exclusion

Dibenzothiophene from Japan — Import Duty Rate | HTS 2930.90.29.00