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

Resorcinol Bis(Diphenyl Phosphate) from Canada

RDP is a halogen-free aromatic oligomeric phosphoric ester for engineering plastics. Despite higher molecular weight, classifies as aromatic phosphoric ester under HTS 2919.90.30.00 when chemically defined.

Duty Rate — Canada → United States

100%

Rate breakdown

9903.04.6093.5%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

Oligomer distribution data to confirm chemical identity

Avoid 'oligomer' terminology suggesting polymers (Chapter 39)

Resorcinol Bis(Diphenyl Phosphate) from Canada — Import Duty Rate | HTS 2919.90.30.00