Dimethylamine Sulfate from Canada
Dimethylamine sulfate is an alternative salt form to hydrochloride, used in some dye intermediates and stabilizers. Falls under HTS 2921.11.00.00 as di-methylamine salt per heading and Chapter salt notes prioritizing organic component.
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
• Salt counterion doesn't affect heading per classification notes; provide NMR/assay for identity
• Less common than HCl salt—extra scrutiny likely