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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Confirm two C9 alkyl chains on naphthalene ring
• Viscosity specification critical for classification
• Hazardous material shipping (viscous liquid)