Aspirin Tromethamine Salt from China
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 — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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