Ethanesulfonic Acid from Canada
Ethanesulfonic acid is a sulfonated derivative of ethanol featuring terminal sulfonic acid group. Falls under HTS 2905.59.10.00 as sulfonated acyclic alcohol derivative used in surfactants and pharmaceuticals. Chemically defined per Chapter 29.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• ,Provide neutralization titration analysis for purity confirmation
• Monitor for surfactant mixture classification if blended