Flame Retardant TBPA Anhydride from Canada
Industrial-grade tetrabromophthalic anhydride for manufacturing brominated epoxy resins used in printed circuit boards. Specifically classified under HTS 2917.39.17.00 as the named tetrabromo derivative of phthalic anhydride. Provides high bromine content (68%) for effective flame suppression.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Submit EPA TSCA certification form confirming existing chemical inventory status (PMN not required)
• Label shipments with GHS pictograms for skin irritation and specific target organ toxicity
• Monitor CBP rulings on purity thresholds distinguishing pure compounds from mixtures