Sebacic Acid Monomethyl Ester from China
Monomethyl sebacate is a half-ester of sebacic acid used in specialty polyester synthesis and pharmaceutical intermediates. Falls under HTS 2917.13.00.90 as an 'other' sebacic acid derivative, qualifying as a chemically defined acyclic polycarboxylic acid ester.
Duty Rate — China → United States
42.3%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Distinguish from diesters via HPLC certificate; monoester purity critical for 2917 classification
• Pharma intermediate imports require DMF filing or equivalent quality documentation
• Avoid generic 'sebacic derivatives' description; specify exact ester on entry summary