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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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