Monobutyltin Tris-(2-ethylhexylmercaptoacetate) from China
This organo-tin stabilizer features a tin atom bonded to butyl and mercaptoacetate groups, used in PVC processing. Classified under HTS 2931.90.90.29 for other organo-tin compounds due to the defining Sn-C bond structure.
Duty Rate — China → United States
137.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
9903.88.0425%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)
Import Tips
• Submit EPA PMN data if new formulation; existing stabilizers need TSCA inventory confirmation
• Ensure declaration specifies organo-tin content to avoid bulk chemical mixtures under 3824