Aspirin Tromethamine Salt from Canada
Tromethamine (tris) salt of O-acetylsalicylic acid for parenteral nutrition compatibility. Classified 2918.22.5000 as amine alcohol salt following carboxylic acid parent per chapter classification rules. High-purity API for sterile manufacturing.
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 endotoxin testing (<0.5 EU/mg); verify pH 7.5-8.5 stability range; declare as non-hazardous per IATA if <4% concentration