Tinuvin 783 UV Absorber (C7-C9 Alkyl Esters) from Japan
3-(2H-Benzotriazol-2-yl)-5-(tert-butyl)-4-hydroxybenzene propanoic acid, C7-C9 branched or linear alkyl esters, commonly known as Tinuvin 783, is a hindered amine light stabilizer (HALS) used in plastics and coatings. It is explicitly listed under HTS 2933.99.08.00 as an aromatic heterocyclic compound with nitrogen hetero-atoms. This UV absorber protects polymers from photodegradation in applications like automotive coatings.
Duty Rate — Japan → United States
27.5%
Rate breakdown
9903.04.6215%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
• Submit manufacturer specifications confirming exact chemical match to HTS description including alkyl chain length
• Ensure proper UN-approved packaging for liquid stabilizers and include flash point data