Dibutyl Sebacate (DBS) from Japan
Dibutyl sebacate is a sebacic acid diester used as a plasticizer in cellulosic resins, nitrocellulose lacquers, and cosmetics. Classified under HTS 2917.13.00.90 as an 'other' ester of sebacic acid, their salts and esters, meeting Chapter 29 requirements for separate chemically defined organic compounds.
Duty Rate — Japan → United States
22.7%
Rate breakdown
9903.04.6210.2%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide GC-MS analysis confirming >98% dibutyl sebacate purity to avoid mixture classification under 3824
• Include end-use declaration; cosmetic-grade requires additional FDA compliance documentation
• Watch for temperature control during shipping; improper storage can cause ester hydrolysis affecting classification proofs