</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Di-(2,2,6,6-tetramethyl-4-hydroxy-piperidine)sebacate from Canada

Di-(2,2,6,6-tetramethyl-4-hydroxy-piperidine)sebacate is a hindered amine light stabilizer (HALS) explicitly listed under HTS 2933.39.20.00. Used as a polymer additive to prevent UV degradation in plastics and coatings.

Duty Rate — Canada → United States

100%

Rate breakdown

9903.04.6094.2%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Provide polymer additive end-use statement to distinguish from pharmaceutical intermediates

Include TSCA certification for plastic additives entering US market

Verify REACH authorization for HALS used in food-contact materials