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
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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