Dimethylamine Sulfate from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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