Tributyltin Oxide from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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