Benzalkonium Chloride 50% Solution from Mexico
Benzalkonium chloride is a quaternary ammonium compound widely used as a biocide and preservative in pharmaceuticals and cosmetics. This 50% aqueous solution qualifies under HTS 2923.90.0100 as a quaternary ammonium salt dissolved in water, permitted by Chapter 29 note (d) for chemically defined compounds. The solvent is solely for safety/transport without altering general use.
Duty Rate — Mexico → United States
16.2%
Rate breakdown
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
• Declare exact concentration and solvent type; solutions over certain strengths may trigger EPA pesticide registration requirements
• Include stability data to confirm the solvent is necessary for transport per Chapter 29 note (e), preventing misclassification
• Watch for anti-dumping duties on certain biocide imports; verify with CBP for country-specific rates