Tributyltin Oxide from Canada
Tributyltin oxide is an organo-tin compound where tin atoms are directly linked to carbon atoms in butyl groups, classifying it under HTS 2931.90.90.29 as other organo-tin compounds. It is commonly used as a biocide in antifouling paints for marine applications.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify REACH and TSCA registration due to strict environmental regulations on organotin biocides
• Include detailed safety data sheets (SDS) and confirm Sn-C bonding for proper Chapter 29 classification
• Avoid misclassification as pesticide formulations under Chapter 38; pure compounds stay in 2931