Tributyltin Oxide from China
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 — China → United States
41.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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