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2930.90.29.00/2-Naphthalenethiol/Japan

2-Naphthalenethiol from Japan

2-Naphthalenethiol (C10H7SH) is a bicyclic aromatic thiol with sulfur directly linked to the naphthalene ring carbon. Falls under HTS 2930.90.2900 as 'Other' aromatic organo-sulfur compounds. Employed in materials science for self-assembled monolayers and as synthetic intermediate.

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%
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Import Tips

• HPLC purity certificate essential; impurities >2% may disqualify as 'chemically defined' per chapter notes

• Light-sensitive; specify storage conditions in import documentation to prevent degradation claims

• Confirm polycyclic aromatic structure vs simpler aromatics in earlier 2930 subheadings