Tributyltin Oxide from Japan

Tributyltin oxide (TBTO) is a chemically defined organotin compound where three butyl groups and oxygen are bound to tin, falling under HTS 2931.20.00.00 as a tributyltin compound. It is commonly used as a biocide in antifouling paints for marine vessels.

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

• Verify compliance with EPA and international restrictions on organotin compounds due to environmental toxicity

• Provide Safety Data Sheets (SDS) and confirm proper hazardous material classification for transport

• Check for country-specific bans on tributyltin use in marine applications before importing