Dinonylnaphthalenesulfonic Acid from Canada
Dinonylnaphthalenesulfonic acid is a high molecular weight aromatic sulfonic acid under HTS 2904.10.32.00. Used in metal extraction and oil additives.
Duty Rate — Canada → United States
15.5%
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
• Confirm two C9 alkyl chains on naphthalene ring
• Viscosity specification critical for classification
• Hazardous material shipping (viscous liquid)