2931.90.90.29/Bis(tributyltin) Oxide/China

Bis(tributyltin) Oxide from China

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 — China → United States

28.7%

Rate breakdown

9903.88.0425%Except as provided in headings 9903.88.33, 9903.88.34, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(g) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(g)

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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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