Dodecylbenzene Sulfonic Acid from Canada
Dodecylbenzene sulfonic acid results from sulfonation of dodecylbenzene, an aromatic hydrocarbon with a long alkyl chain. It is covered by HTS 2904.99.40.00 under additional U.S. note 3 to section VI as a key surfactant intermediate. Widely imported for conversion to sodium salts in cleaning products.
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
• Require supplier COA verifying carbon chain length and sulfonation degree
• Use UN-approved packaging for corrosive liquids; include proper hazmat declarations