Butylated Triphenyl Phosphate from Canada
Butylated triphenyl phosphate mixture used in engineering thermoplastics as flame retardant. Aromatic phosphoric esters qualify for HTS 2919.90.30.00 when meeting isomer mixture criteria.
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
• Isomer distribution analysis for Chapter 29 compliance
• UL94 flammability ratings support classification