High-Purity Lignosulfonate for Pharmaceuticals from Canada
Pharma-grade, low-ash sodium lignosulfonate from highly purified pulp lyes, used as tablet binder and stabilizer. Still classifiable under HTS 3804.00.5000 if retaining wood pulp residual character despite refinement.
Duty Rate — Canada → United States
13.7%
Rate breakdown
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
• USP/NF monograph compliance essential
• Heavy metals and microbial limits strictly enforced
• Drug Master File may expedite FDA review