Cumene Sulfonic Acid from Canada
Cumene sulfonic acid from isopropylbenzene sulfonation. HTS 2904.99.50.00 covers branched alkylaromatic sulfonates. Intermediate for dispersants.
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
• Isopropyl vs n-propyl isomer verification via GC-MS
• Azeotropic distillation residue exclusion documentation