Concentrated Lignosulfonic Acid Sodium Salt Solution from Canada
This 50% solids solution of sodium lignosulfonate is desugared and concentrated spent sulfite liquor from softwood pulping, employed as a dispersant in dyestuffs and pesticides. It qualifies for HTS 3804.00.10.00 as chemically treated residual lye containing lignin sulfonic acid salt.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide sugar content analysis (<5% required for 'desugared' status under tariff terms)
• Label containers with exact pH, solids %, and 'corrosive' if pH <2 per GHS standards
• Avoid mixing with tall oil residues which would require separation to heading 3803