Dimethylethanolamine Hydrochloride (DMAE HCl) from Mexico
DMAE hydrochloride is the protonated salt of N,N-dimethyl-2-aminoethanol with hydrochloric acid, explicitly included in HTS 2922.19.96.10. This white crystalline solid serves as a cationic surfactant precursor and pharmaceutical active. Salts classify with parent amino-alcohols per Chapter 29 salt provisions.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify counterion (HCl) and protonation evidence via NMR/IR spectra in technical documentation
• White crystalline form distinguishes from liquid free base; include melting point (100-110°C)
• TSCA inventory verification mandatory; pre-register if novel salt form for US market