Sodium Toluenesulfonate from Canada
Sodium p-toluenesulfonate is the salt form of toluenesulfonic acid, an aromatic sulfonate in HTS 2904.10.32.00. Functions as hydrotrope and polymerization stabilizer.
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
• CAS 657-84-1 documentation required for Customs clearance
• Moisture content <2% specification prevents caking
• TGA/DSC analysis verifies thermal stability