Bis(tributyltin) Oxide from Germany
Biochemical reagent and antifouling agent with characteristic Sn-C bonds in tributyl groups. HTS 2931.90.90.29 covers this organo-tin compound excluded from specific subheadings.
Duty Rate — Germany → 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
• Restricted under International Maritime Organization AFS Convention; verify port-state controls
• Declare exact tributyltin content per EPA method 8270 for environmental compliance
• Pure form stays in 2931; antifouling paint mixtures shift to 3208 or 3808