Dioctyl Sebacate (DOS) from China
Di(2-ethylhexyl) sebacate, an ester of sebacic acid with 2-ethylhexanol, used as plasticizer in PVC for low-temperature flexibility. Classified under HTS 2917.13.00 per chapter note on esters following the parent acid subheading. Clear oily liquid meeting acyclic polycarboxylic acid ester definition.
Duty Rate — China → United States
29.8%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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
• Provide GC-MS analysis confirming >99% purity as sebacate ester to prevent reclassification
• TSCA registration required for US import; include pre-manufacture notice if new chemical